90000890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1427}}^1$

素因数の和:1511

約数の個数: 64

約数和(自身を含む): 199874304

約数和(自身を除く): 109873414

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 53, 70, 85, 106, 119, 170, 238, 265, 371, 530, 595, 742, 901, 1190, 1427, 1802, 1855, 2854, 3710, 4505, 6307, 7135, 9010, 9989, 12614, 14270, 19978, 24259, 31535, 48518, 49945, 63070, 75631, 99890, 121295, 151262, 169813, 242590, 339626, 378155, 529417, 756310, 849065, 1058834, 1285727, 1698130, 2571454, 2647085, 5294170, 6428635, 9000089, 12857270, 18000178, 45000445, 90000890]

約数ペア:

[(1, 90000890), (2, 45000445), (5, 18000178), (7, 12857270), (10, 9000089), (14, 6428635), (17, 5294170), (34, 2647085), (35, 2571454), (53, 1698130), (70, 1285727), (85, 1058834), (106, 849065), (119, 756310), (170, 529417), (238, 378155), (265, 339626), (371, 242590), (530, 169813), (595, 151262), (742, 121295), (901, 99890), (1190, 75631), (1427, 63070), (1802, 49945), (1855, 48518), (2854, 31535), (3710, 24259), (4505, 19978), (6307, 14270), (7135, 12614), (9010, 9989)]