749905000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 160

約数和(自身を含む): 1928757600

約数和(自身を除く): 1178852600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 83, 100, 104, 125, 130, 139, 166, 200, 250, 260, 278, 325, 332, 415, 500, 520, 556, 625, 650, 664, 695, 830, 1000, 1079, 1112, 1250, 1300, 1390, 1625, 1660, 1807, 2075, 2158, 2500, 2600, 2780, 3250, 3320, 3475, 3614, 4150, 4316, 5000, 5395, 5560, 6500, 6950, 7228, 8125, 8300, 8632, 9035, 10375, 10790, 11537, 13000, 13900, 14456, 16250, 16600, 17375, 18070, 20750, 21580, 23074, 26975, 27800, 32500, 34750, 36140, 41500, 43160, 45175, 46148, 51875, 53950, 57685, 65000, 69500, 72280, 83000, 86875, 90350, 92296, 103750, 107900, 115370, 134875, 139000, 149981, 173750, 180700, 207500, 215800, 225875, 230740, 269750, 288425, 299962, 347500, 361400, 415000, 451750, 461480, 539500, 576850, 599924, 674375, 695000, 749905, 903500, 1079000, 1129375, 1153700, 1199848, 1348750, 1442125, 1499810, 1807000, 2258750, 2307400, 2697500, 2884250, 2999620, 3749525, 4517500, 5395000, 5768500, 5999240, 7210625, 7499050, 9035000, 11537000, 14421250, 14998100, 18747625, 28842500, 29996200, 37495250, 57685000, 74990500, 93738125, 149981000, 187476250, 374952500, 749905000]

約数ペア:

[(1, 749905000), (2, 374952500), (4, 187476250), (5, 149981000), (8, 93738125), (10, 74990500), (13, 57685000), (20, 37495250), (25, 29996200), (26, 28842500), (40, 18747625), (50, 14998100), (52, 14421250), (65, 11537000), (83, 9035000), (100, 7499050), (104, 7210625), (125, 5999240), (130, 5768500), (139, 5395000), (166, 4517500), (200, 3749525), (250, 2999620), (260, 2884250), (278, 2697500), (325, 2307400), (332, 2258750), (415, 1807000), (500, 1499810), (520, 1442125), (556, 1348750), (625, 1199848), (650, 1153700), (664, 1129375), (695, 1079000), (830, 903500), (1000, 749905), (1079, 695000), (1112, 674375), (1250, 599924), (1300, 576850), (1390, 539500), (1625, 461480), (1660, 451750), (1807, 415000), (2075, 361400), (2158, 347500), (2500, 299962), (2600, 288425), (2780, 269750), (3250, 230740), (3320, 225875), (3475, 215800), (3614, 207500), (4150, 180700), (4316, 173750), (5000, 149981), (5395, 139000), (5560, 134875), (6500, 115370), (6950, 107900), (7228, 103750), (8125, 92296), (8300, 90350), (8632, 86875), (9035, 83000), (10375, 72280), (10790, 69500), (11537, 65000), (13000, 57685), (13900, 53950), (14456, 51875), (16250, 46148), (16600, 45175), (17375, 43160), (18070, 41500), (20750, 36140), (21580, 34750), (23074, 32500), (26975, 27800)]