2008412500

素因数分解:

$2^2\times 5^5\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 4661701632

約数和(自身を除く): 2653289132

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 71, 73, 100, 124, 125, 142, 146, 155, 250, 284, 292, 310, 355, 365, 500, 620, 625, 710, 730, 775, 1250, 1420, 1460, 1550, 1775, 1825, 2201, 2263, 2500, 3100, 3125, 3550, 3650, 3875, 4402, 4526, 5183, 6250, 7100, 7300, 7750, 8804, 8875, 9052, 9125, 10366, 11005, 11315, 12500, 15500, 17750, 18250, 19375, 20732, 22010, 22630, 25915, 35500, 36500, 38750, 44020, 44375, 45260, 45625, 51830, 55025, 56575, 77500, 88750, 91250, 96875, 103660, 110050, 113150, 129575, 160673, 177500, 182500, 193750, 220100, 221875, 226300, 228125, 259150, 275125, 282875, 321346, 387500, 443750, 456250, 518300, 550250, 565750, 642692, 647875, 803365, 887500, 912500, 1100500, 1131500, 1295750, 1375625, 1414375, 1606730, 2591500, 2751250, 2828750, 3213460, 3239375, 4016825, 5502500, 5657500, 6478750, 6878125, 7071875, 8033650, 12957500, 13756250, 14143750, 16067300, 16196875, 20084125, 27512500, 28287500, 32393750, 40168250, 64787500, 80336500, 100420625, 200841250, 401682500, 502103125, 1004206250, 2008412500]

約数ペア:

[(1, 2008412500), (2, 1004206250), (4, 502103125), (5, 401682500), (10, 200841250), (20, 100420625), (25, 80336500), (31, 64787500), (50, 40168250), (62, 32393750), (71, 28287500), (73, 27512500), (100, 20084125), (124, 16196875), (125, 16067300), (142, 14143750), (146, 13756250), (155, 12957500), (250, 8033650), (284, 7071875), (292, 6878125), (310, 6478750), (355, 5657500), (365, 5502500), (500, 4016825), (620, 3239375), (625, 3213460), (710, 2828750), (730, 2751250), (775, 2591500), (1250, 1606730), (1420, 1414375), (1460, 1375625), (1550, 1295750), (1775, 1131500), (1825, 1100500), (2201, 912500), (2263, 887500), (2500, 803365), (3100, 647875), (3125, 642692), (3550, 565750), (3650, 550250), (3875, 518300), (4402, 456250), (4526, 443750), (5183, 387500), (6250, 321346), (7100, 282875), (7300, 275125), (7750, 259150), (8804, 228125), (8875, 226300), (9052, 221875), (9125, 220100), (10366, 193750), (11005, 182500), (11315, 177500), (12500, 160673), (15500, 129575), (17750, 113150), (18250, 110050), (19375, 103660), (20732, 96875), (22010, 91250), (22630, 88750), (25915, 77500), (35500, 56575), (36500, 55025), (38750, 51830), (44020, 45625), (44375, 45260)]