90459380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 235037376

約数和(自身を除く): 144577996

約数列:

[1, 2, 4, 5, 10, 11, 17, 19, 20, 22, 34, 38, 44, 55, 67, 68, 76, 85, 95, 110, 134, 170, 187, 190, 209, 220, 268, 323, 335, 340, 361, 374, 380, 418, 646, 670, 722, 737, 748, 836, 935, 1045, 1139, 1273, 1292, 1340, 1444, 1474, 1615, 1805, 1870, 2090, 2278, 2546, 2948, 3230, 3553, 3610, 3685, 3740, 3971, 4180, 4556, 5092, 5695, 6137, 6365, 6460, 7106, 7220, 7370, 7942, 11390, 12274, 12529, 12730, 14003, 14212, 14740, 15884, 17765, 19855, 21641, 22780, 24187, 24548, 25058, 25460, 28006, 30685, 35530, 39710, 43282, 48374, 50116, 56012, 61370, 62645, 67507, 70015, 71060, 79420, 86564, 96748, 108205, 120935, 122740, 125290, 135014, 140030, 216410, 238051, 241870, 250580, 266057, 270028, 280060, 337535, 411179, 432820, 476102, 483740, 532114, 675070, 822358, 952204, 1064228, 1190255, 1330285, 1350140, 1644716, 2055895, 2380510, 2660570, 4111790, 4522969, 4761020, 5321140, 8223580, 9045938, 18091876, 22614845, 45229690, 90459380]

約数ペア:

[(1, 90459380), (2, 45229690), (4, 22614845), (5, 18091876), (10, 9045938), (11, 8223580), (17, 5321140), (19, 4761020), (20, 4522969), (22, 4111790), (34, 2660570), (38, 2380510), (44, 2055895), (55, 1644716), (67, 1350140), (68, 1330285), (76, 1190255), (85, 1064228), (95, 952204), (110, 822358), (134, 675070), (170, 532114), (187, 483740), (190, 476102), (209, 432820), (220, 411179), (268, 337535), (323, 280060), (335, 270028), (340, 266057), (361, 250580), (374, 241870), (380, 238051), (418, 216410), (646, 140030), (670, 135014), (722, 125290), (737, 122740), (748, 120935), (836, 108205), (935, 96748), (1045, 86564), (1139, 79420), (1273, 71060), (1292, 70015), (1340, 67507), (1444, 62645), (1474, 61370), (1615, 56012), (1805, 50116), (1870, 48374), (2090, 43282), (2278, 39710), (2546, 35530), (2948, 30685), (3230, 28006), (3553, 25460), (3610, 25058), (3685, 24548), (3740, 24187), (3971, 22780), (4180, 21641), (4556, 19855), (5092, 17765), (5695, 15884), (6137, 14740), (6365, 14212), (6460, 14003), (7106, 12730), (7220, 12529), (7370, 12274), (7942, 11390)]