320411500

素因数分解:

$2^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:292

約数の個数: 96

約数和(自身を含む): 726014016

約数和(自身を除く): 405602516

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 107, 113, 125, 212, 214, 226, 250, 265, 428, 452, 500, 530, 535, 565, 1060, 1070, 1130, 1325, 2140, 2260, 2650, 2675, 2825, 5300, 5350, 5650, 5671, 5989, 6625, 10700, 11300, 11342, 11978, 12091, 13250, 13375, 14125, 22684, 23956, 24182, 26500, 26750, 28250, 28355, 29945, 48364, 53500, 56500, 56710, 59890, 60455, 113420, 119780, 120910, 141775, 149725, 241820, 283550, 299450, 302275, 567100, 598900, 604550, 640823, 708875, 748625, 1209100, 1281646, 1417750, 1497250, 1511375, 2563292, 2835500, 2994500, 3022750, 3204115, 6045500, 6408230, 12816460, 16020575, 32041150, 64082300, 80102875, 160205750, 320411500]

約数ペア:

[(1, 320411500), (2, 160205750), (4, 80102875), (5, 64082300), (10, 32041150), (20, 16020575), (25, 12816460), (50, 6408230), (53, 6045500), (100, 3204115), (106, 3022750), (107, 2994500), (113, 2835500), (125, 2563292), (212, 1511375), (214, 1497250), (226, 1417750), (250, 1281646), (265, 1209100), (428, 748625), (452, 708875), (500, 640823), (530, 604550), (535, 598900), (565, 567100), (1060, 302275), (1070, 299450), (1130, 283550), (1325, 241820), (2140, 149725), (2260, 141775), (2650, 120910), (2675, 119780), (2825, 113420), (5300, 60455), (5350, 59890), (5650, 56710), (5671, 56500), (5989, 53500), (6625, 48364), (10700, 29945), (11300, 28355), (11342, 28250), (11978, 26750), (12091, 26500), (13250, 24182), (13375, 23956), (14125, 22684)]