1395212500

素因数分解:

$2^2\times 5^5\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 3399157440

約数和(自身を除く): 2003944940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 73, 100, 110, 125, 139, 146, 220, 250, 275, 278, 292, 365, 500, 550, 556, 625, 695, 730, 803, 1100, 1250, 1375, 1390, 1460, 1529, 1606, 1825, 2500, 2750, 2780, 3058, 3125, 3212, 3475, 3650, 4015, 5500, 6116, 6250, 6875, 6950, 7300, 7645, 8030, 9125, 10147, 12500, 13750, 13900, 15290, 16060, 17375, 18250, 20075, 20294, 27500, 30580, 34375, 34750, 36500, 38225, 40150, 40588, 45625, 50735, 68750, 69500, 76450, 80300, 86875, 91250, 100375, 101470, 111617, 137500, 152900, 173750, 182500, 191125, 200750, 202940, 223234, 228125, 253675, 347500, 382250, 401500, 434375, 446468, 456250, 501875, 507350, 558085, 764500, 868750, 912500, 955625, 1003750, 1014700, 1116170, 1268375, 1737500, 1911250, 2007500, 2232340, 2509375, 2536750, 2790425, 3822500, 4778125, 5018750, 5073500, 5580850, 6341875, 9556250, 10037500, 11161700, 12683750, 13952125, 19112500, 25367500, 27904250, 31709375, 55808500, 63418750, 69760625, 126837500, 139521250, 279042500, 348803125, 697606250, 1395212500]

約数ペア:

[(1, 1395212500), (2, 697606250), (4, 348803125), (5, 279042500), (10, 139521250), (11, 126837500), (20, 69760625), (22, 63418750), (25, 55808500), (44, 31709375), (50, 27904250), (55, 25367500), (73, 19112500), (100, 13952125), (110, 12683750), (125, 11161700), (139, 10037500), (146, 9556250), (220, 6341875), (250, 5580850), (275, 5073500), (278, 5018750), (292, 4778125), (365, 3822500), (500, 2790425), (550, 2536750), (556, 2509375), (625, 2232340), (695, 2007500), (730, 1911250), (803, 1737500), (1100, 1268375), (1250, 1116170), (1375, 1014700), (1390, 1003750), (1460, 955625), (1529, 912500), (1606, 868750), (1825, 764500), (2500, 558085), (2750, 507350), (2780, 501875), (3058, 456250), (3125, 446468), (3212, 434375), (3475, 401500), (3650, 382250), (4015, 347500), (5500, 253675), (6116, 228125), (6250, 223234), (6875, 202940), (6950, 200750), (7300, 191125), (7645, 182500), (8030, 173750), (9125, 152900), (10147, 137500), (12500, 111617), (13750, 101470), (13900, 100375), (15290, 91250), (16060, 86875), (17375, 80300), (18250, 76450), (20075, 69500), (20294, 68750), (27500, 50735), (30580, 45625), (34375, 40588), (34750, 40150), (36500, 38225)]