299854940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:640

約数の個数: 144

約数和(自身を含む): 817969152

約数和(自身を除く): 518114212

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 121, 124, 140, 154, 155, 217, 220, 242, 308, 310, 341, 385, 434, 484, 571, 605, 620, 682, 770, 847, 868, 1085, 1142, 1210, 1364, 1540, 1694, 1705, 2170, 2284, 2387, 2420, 2855, 3388, 3410, 3751, 3997, 4235, 4340, 4774, 5710, 6281, 6820, 7502, 7994, 8470, 9548, 11420, 11935, 12562, 15004, 15988, 16940, 17701, 18755, 19985, 23870, 25124, 26257, 31405, 35402, 37510, 39970, 43967, 47740, 52514, 62810, 69091, 70804, 75020, 79940, 87934, 88505, 105028, 123907, 125620, 131285, 138182, 175868, 177010, 194711, 219835, 247814, 262570, 276364, 345455, 354020, 389422, 439670, 483637, 495628, 525140, 619535, 690910, 778844, 879340, 967274, 973555, 1239070, 1362977, 1381820, 1934548, 1947110, 2141821, 2418185, 2478140, 2725954, 3894220, 4283642, 4836370, 5451908, 6814885, 8567284, 9672740, 10709105, 13629770, 14992747, 21418210, 27259540, 29985494, 42836420, 59970988, 74963735, 149927470, 299854940]

約数ペア:

[(1, 299854940), (2, 149927470), (4, 74963735), (5, 59970988), (7, 42836420), (10, 29985494), (11, 27259540), (14, 21418210), (20, 14992747), (22, 13629770), (28, 10709105), (31, 9672740), (35, 8567284), (44, 6814885), (55, 5451908), (62, 4836370), (70, 4283642), (77, 3894220), (110, 2725954), (121, 2478140), (124, 2418185), (140, 2141821), (154, 1947110), (155, 1934548), (217, 1381820), (220, 1362977), (242, 1239070), (308, 973555), (310, 967274), (341, 879340), (385, 778844), (434, 690910), (484, 619535), (571, 525140), (605, 495628), (620, 483637), (682, 439670), (770, 389422), (847, 354020), (868, 345455), (1085, 276364), (1142, 262570), (1210, 247814), (1364, 219835), (1540, 194711), (1694, 177010), (1705, 175868), (2170, 138182), (2284, 131285), (2387, 125620), (2420, 123907), (2855, 105028), (3388, 88505), (3410, 87934), (3751, 79940), (3997, 75020), (4235, 70804), (4340, 69091), (4774, 62810), (5710, 52514), (6281, 47740), (6820, 43967), (7502, 39970), (7994, 37510), (8470, 35402), (9548, 31405), (11420, 26257), (11935, 25124), (12562, 23870), (15004, 19985), (15988, 18755), (16940, 17701)]