54370100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 123039000

約数和(自身を除く): 68668900

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 89, 100, 149, 164, 178, 205, 298, 356, 410, 445, 596, 745, 820, 890, 1025, 1490, 1780, 2050, 2225, 2980, 3649, 3725, 4100, 4450, 6109, 7298, 7450, 8900, 12218, 13261, 14596, 14900, 18245, 24436, 26522, 30545, 36490, 53044, 61090, 66305, 72980, 91225, 122180, 132610, 152725, 182450, 265220, 305450, 331525, 364900, 543701, 610900, 663050, 1087402, 1326100, 2174804, 2718505, 5437010, 10874020, 13592525, 27185050, 54370100]

約数ペア:

[(1, 54370100), (2, 27185050), (4, 13592525), (5, 10874020), (10, 5437010), (20, 2718505), (25, 2174804), (41, 1326100), (50, 1087402), (82, 663050), (89, 610900), (100, 543701), (149, 364900), (164, 331525), (178, 305450), (205, 265220), (298, 182450), (356, 152725), (410, 132610), (445, 122180), (596, 91225), (745, 72980), (820, 66305), (890, 61090), (1025, 53044), (1490, 36490), (1780, 30545), (2050, 26522), (2225, 24436), (2980, 18245), (3649, 14900), (3725, 14596), (4100, 13261), (4450, 12218), (6109, 8900), (7298, 7450)]