73940020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^3$

素因数の和:91

約数の個数: 144

約数和(自身を含む): 207990720

約数和(自身を除く): 134050700

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 49, 55, 70, 76, 77, 95, 98, 110, 133, 140, 154, 190, 196, 209, 220, 245, 266, 308, 361, 380, 385, 418, 490, 532, 539, 665, 722, 770, 836, 931, 980, 1045, 1078, 1330, 1444, 1463, 1540, 1805, 1862, 2090, 2156, 2527, 2660, 2695, 2926, 3610, 3724, 3971, 4180, 4655, 5054, 5390, 5852, 6859, 7220, 7315, 7942, 9310, 10108, 10241, 10780, 12635, 13718, 14630, 15884, 17689, 18620, 19855, 20482, 25270, 27436, 27797, 29260, 34295, 35378, 39710, 40964, 48013, 50540, 51205, 55594, 68590, 70756, 75449, 79420, 88445, 96026, 102410, 111188, 137180, 138985, 150898, 176890, 192052, 194579, 204820, 240065, 277970, 301796, 336091, 353780, 377245, 389158, 480130, 528143, 555940, 672182, 754490, 778316, 960260, 972895, 1056286, 1344364, 1508980, 1680455, 1945790, 2112572, 2640715, 3360910, 3697001, 3891580, 5281430, 6721820, 7394002, 10562860, 14788004, 18485005, 36970010, 73940020]

約数ペア:

[(1, 73940020), (2, 36970010), (4, 18485005), (5, 14788004), (7, 10562860), (10, 7394002), (11, 6721820), (14, 5281430), (19, 3891580), (20, 3697001), (22, 3360910), (28, 2640715), (35, 2112572), (38, 1945790), (44, 1680455), (49, 1508980), (55, 1344364), (70, 1056286), (76, 972895), (77, 960260), (95, 778316), (98, 754490), (110, 672182), (133, 555940), (140, 528143), (154, 480130), (190, 389158), (196, 377245), (209, 353780), (220, 336091), (245, 301796), (266, 277970), (308, 240065), (361, 204820), (380, 194579), (385, 192052), (418, 176890), (490, 150898), (532, 138985), (539, 137180), (665, 111188), (722, 102410), (770, 96026), (836, 88445), (931, 79420), (980, 75449), (1045, 70756), (1078, 68590), (1330, 55594), (1444, 51205), (1463, 50540), (1540, 48013), (1805, 40964), (1862, 39710), (2090, 35378), (2156, 34295), (2527, 29260), (2660, 27797), (2695, 27436), (2926, 25270), (3610, 20482), (3724, 19855), (3971, 18620), (4180, 17689), (4655, 15884), (5054, 14630), (5390, 13718), (5852, 12635), (6859, 10780), (7220, 10241), (7315, 10108), (7942, 9310)]