1297620940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:429

約数の個数: 216

約数和(自身を含む): 3606857856

約数和(自身を除く): 2309236916

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 49, 55, 62, 70, 77, 98, 110, 121, 124, 140, 154, 155, 196, 217, 220, 242, 245, 308, 310, 341, 353, 385, 434, 484, 490, 539, 605, 620, 682, 706, 770, 847, 868, 980, 1078, 1085, 1210, 1364, 1412, 1519, 1540, 1694, 1705, 1765, 2156, 2170, 2387, 2420, 2471, 2695, 3038, 3388, 3410, 3530, 3751, 3883, 4235, 4340, 4774, 4942, 5390, 5929, 6076, 6820, 7060, 7502, 7595, 7766, 8470, 9548, 9884, 10780, 10943, 11858, 11935, 12355, 15004, 15190, 15532, 16709, 16940, 17297, 18755, 19415, 21886, 23716, 23870, 24710, 26257, 27181, 29645, 30380, 33418, 34594, 37510, 38830, 42713, 43772, 47740, 49420, 52514, 54362, 54715, 59290, 66836, 69188, 75020, 76601, 77660, 83545, 85426, 86485, 105028, 108724, 109430, 118580, 120373, 131285, 135905, 153202, 167090, 170852, 172970, 183799, 190267, 213565, 218860, 240746, 262570, 271810, 298991, 306404, 334180, 345940, 367598, 380534, 383005, 427130, 481492, 525140, 536207, 543620, 597982, 601865, 735196, 761068, 766010, 842611, 854260, 918995, 951335, 1072414, 1195964, 1203730, 1324103, 1494955, 1532020, 1685222, 1837990, 1902670, 2092937, 2144828, 2407460, 2648206, 2681035, 2989910, 3370444, 3675980, 3805340, 4185874, 4213055, 5296412, 5362070, 5898277, 5979820, 6620515, 8371748, 8426110, 9268721, 10464685, 10724140, 11796554, 13241030, 16852220, 18537442, 20929370, 23593108, 26482060, 29491385, 37074884, 41858740, 46343605, 58982770, 64881047, 92687210, 117965540, 129762094, 185374420, 259524188, 324405235, 648810470, 1297620940]

約数ペア:

[(1, 1297620940), (2, 648810470), (4, 324405235), (5, 259524188), (7, 185374420), (10, 129762094), (11, 117965540), (14, 92687210), (20, 64881047), (22, 58982770), (28, 46343605), (31, 41858740), (35, 37074884), (44, 29491385), (49, 26482060), (55, 23593108), (62, 20929370), (70, 18537442), (77, 16852220), (98, 13241030), (110, 11796554), (121, 10724140), (124, 10464685), (140, 9268721), (154, 8426110), (155, 8371748), (196, 6620515), (217, 5979820), (220, 5898277), (242, 5362070), (245, 5296412), (308, 4213055), (310, 4185874), (341, 3805340), (353, 3675980), (385, 3370444), (434, 2989910), (484, 2681035), (490, 2648206), (539, 2407460), (605, 2144828), (620, 2092937), (682, 1902670), (706, 1837990), (770, 1685222), (847, 1532020), (868, 1494955), (980, 1324103), (1078, 1203730), (1085, 1195964), (1210, 1072414), (1364, 951335), (1412, 918995), (1519, 854260), (1540, 842611), (1694, 766010), (1705, 761068), (1765, 735196), (2156, 601865), (2170, 597982), (2387, 543620), (2420, 536207), (2471, 525140), (2695, 481492), (3038, 427130), (3388, 383005), (3410, 380534), (3530, 367598), (3751, 345940), (3883, 334180), (4235, 306404), (4340, 298991), (4774, 271810), (4942, 262570), (5390, 240746), (5929, 218860), (6076, 213565), (6820, 190267), (7060, 183799), (7502, 172970), (7595, 170852), (7766, 167090), (8470, 153202), (9548, 135905), (9884, 131285), (10780, 120373), (10943, 118580), (11858, 109430), (11935, 108724), (12355, 105028), (15004, 86485), (15190, 85426), (15532, 83545), (16709, 77660), (16940, 76601), (17297, 75020), (18755, 69188), (19415, 66836), (21886, 59290), (23716, 54715), (23870, 54362), (24710, 52514), (26257, 49420), (27181, 47740), (29645, 43772), (30380, 42713), (33418, 38830), (34594, 37510)]