89898380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 240426144

約数和(自身を除く): 150527764

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 34, 43, 44, 52, 55, 65, 68, 85, 86, 110, 130, 143, 170, 172, 187, 215, 220, 221, 260, 286, 340, 374, 430, 442, 473, 559, 572, 715, 731, 748, 860, 884, 935, 946, 1105, 1118, 1430, 1462, 1849, 1870, 1892, 2210, 2236, 2365, 2431, 2795, 2860, 2924, 3655, 3698, 3740, 4420, 4730, 4862, 5590, 6149, 7310, 7396, 8041, 9245, 9460, 9503, 9724, 11180, 12155, 12298, 14620, 16082, 18490, 19006, 20339, 24037, 24310, 24596, 30745, 31433, 32164, 36980, 38012, 40205, 40678, 47515, 48074, 48620, 61490, 62866, 80410, 81356, 95030, 96148, 101695, 104533, 120185, 122980, 125732, 157165, 160820, 190060, 203390, 209066, 240370, 264407, 314330, 345763, 406780, 408629, 418132, 480740, 522665, 528814, 628660, 691526, 817258, 1045330, 1057628, 1322035, 1383052, 1634516, 1728815, 2043145, 2090660, 2644070, 3457630, 4086290, 4494919, 5288140, 6915260, 8172580, 8989838, 17979676, 22474595, 44949190, 89898380]

約数ペア:

[(1, 89898380), (2, 44949190), (4, 22474595), (5, 17979676), (10, 8989838), (11, 8172580), (13, 6915260), (17, 5288140), (20, 4494919), (22, 4086290), (26, 3457630), (34, 2644070), (43, 2090660), (44, 2043145), (52, 1728815), (55, 1634516), (65, 1383052), (68, 1322035), (85, 1057628), (86, 1045330), (110, 817258), (130, 691526), (143, 628660), (170, 528814), (172, 522665), (187, 480740), (215, 418132), (220, 408629), (221, 406780), (260, 345763), (286, 314330), (340, 264407), (374, 240370), (430, 209066), (442, 203390), (473, 190060), (559, 160820), (572, 157165), (715, 125732), (731, 122980), (748, 120185), (860, 104533), (884, 101695), (935, 96148), (946, 95030), (1105, 81356), (1118, 80410), (1430, 62866), (1462, 61490), (1849, 48620), (1870, 48074), (1892, 47515), (2210, 40678), (2236, 40205), (2365, 38012), (2431, 36980), (2795, 32164), (2860, 31433), (2924, 30745), (3655, 24596), (3698, 24310), (3740, 24037), (4420, 20339), (4730, 19006), (4862, 18490), (5590, 16082), (6149, 14620), (7310, 12298), (7396, 12155), (8041, 11180), (9245, 9724), (9460, 9503)]