64461250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 80

約数和(自身を含む): 141704640

約数和(自身を除く): 77243390

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 53, 70, 106, 125, 139, 175, 250, 265, 278, 350, 371, 530, 625, 695, 742, 875, 973, 1250, 1325, 1390, 1750, 1855, 1946, 2650, 3475, 3710, 4375, 4865, 6625, 6950, 7367, 8750, 9275, 9730, 13250, 14734, 17375, 18550, 24325, 33125, 34750, 36835, 46375, 48650, 51569, 66250, 73670, 86875, 92750, 103138, 121625, 173750, 184175, 231875, 243250, 257845, 368350, 463750, 515690, 608125, 920875, 1216250, 1289225, 1841750, 2578450, 4604375, 6446125, 9208750, 12892250, 32230625, 64461250]

約数ペア:

[(1, 64461250), (2, 32230625), (5, 12892250), (7, 9208750), (10, 6446125), (14, 4604375), (25, 2578450), (35, 1841750), (50, 1289225), (53, 1216250), (70, 920875), (106, 608125), (125, 515690), (139, 463750), (175, 368350), (250, 257845), (265, 243250), (278, 231875), (350, 184175), (371, 173750), (530, 121625), (625, 103138), (695, 92750), (742, 86875), (875, 73670), (973, 66250), (1250, 51569), (1325, 48650), (1390, 46375), (1750, 36835), (1855, 34750), (1946, 33125), (2650, 24325), (3475, 18550), (3710, 17375), (4375, 14734), (4865, 13250), (6625, 9730), (6950, 9275), (7367, 8750)]