406328000

素因数分解:

$2^6\times 5^3\times {\mathrm{13}}^1\times {\mathrm{3907}}^1$

素因数の和:3947

約数の個数: 112

約数和(自身を含む): 1083954144

約数和(自身を除く): 677626144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 130, 160, 200, 208, 250, 260, 320, 325, 400, 416, 500, 520, 650, 800, 832, 1000, 1040, 1300, 1600, 1625, 2000, 2080, 2600, 3250, 3907, 4000, 4160, 5200, 6500, 7814, 8000, 10400, 13000, 15628, 19535, 20800, 26000, 31256, 39070, 50791, 52000, 62512, 78140, 97675, 101582, 104000, 125024, 156280, 195350, 203164, 250048, 253955, 312560, 390700, 406328, 488375, 507910, 625120, 781400, 812656, 976750, 1015820, 1250240, 1269775, 1562800, 1625312, 1953500, 2031640, 2539550, 3125600, 3250624, 3907000, 4063280, 5079100, 6251200, 6348875, 7814000, 8126560, 10158200, 12697750, 15628000, 16253120, 20316400, 25395500, 31256000, 40632800, 50791000, 81265600, 101582000, 203164000, 406328000]

約数ペア:

[(1, 406328000), (2, 203164000), (4, 101582000), (5, 81265600), (8, 50791000), (10, 40632800), (13, 31256000), (16, 25395500), (20, 20316400), (25, 16253120), (26, 15628000), (32, 12697750), (40, 10158200), (50, 8126560), (52, 7814000), (64, 6348875), (65, 6251200), (80, 5079100), (100, 4063280), (104, 3907000), (125, 3250624), (130, 3125600), (160, 2539550), (200, 2031640), (208, 1953500), (250, 1625312), (260, 1562800), (320, 1269775), (325, 1250240), (400, 1015820), (416, 976750), (500, 812656), (520, 781400), (650, 625120), (800, 507910), (832, 488375), (1000, 406328), (1040, 390700), (1300, 312560), (1600, 253955), (1625, 250048), (2000, 203164), (2080, 195350), (2600, 156280), (3250, 125024), (3907, 104000), (4000, 101582), (4160, 97675), (5200, 78140), (6500, 62512), (7814, 52000), (8000, 50791), (10400, 39070), (13000, 31256), (15628, 26000), (19535, 20800)]