270687500

素因数分解:

$2^2\times 5^6\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 84

約数和(自身を含む): 610304688

約数和(自身を除く): 339617188

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 71, 100, 122, 125, 142, 244, 250, 284, 305, 355, 500, 610, 625, 710, 1220, 1250, 1420, 1525, 1775, 2500, 3050, 3125, 3550, 4331, 6100, 6250, 7100, 7625, 8662, 8875, 12500, 15250, 15625, 17324, 17750, 21655, 30500, 31250, 35500, 38125, 43310, 44375, 62500, 76250, 86620, 88750, 108275, 152500, 177500, 190625, 216550, 221875, 381250, 433100, 443750, 541375, 762500, 887500, 953125, 1082750, 1109375, 1906250, 2165500, 2218750, 2706875, 3812500, 4437500, 5413750, 10827500, 13534375, 27068750, 54137500, 67671875, 135343750, 270687500]

約数ペア:

[(1, 270687500), (2, 135343750), (4, 67671875), (5, 54137500), (10, 27068750), (20, 13534375), (25, 10827500), (50, 5413750), (61, 4437500), (71, 3812500), (100, 2706875), (122, 2218750), (125, 2165500), (142, 1906250), (244, 1109375), (250, 1082750), (284, 953125), (305, 887500), (355, 762500), (500, 541375), (610, 443750), (625, 433100), (710, 381250), (1220, 221875), (1250, 216550), (1420, 190625), (1525, 177500), (1775, 152500), (2500, 108275), (3050, 88750), (3125, 86620), (3550, 76250), (4331, 62500), (6100, 44375), (6250, 43310), (7100, 38125), (7625, 35500), (8662, 31250), (8875, 30500), (12500, 21655), (15250, 17750), (15625, 17324)]