207788750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1$

素因数の和:727

約数の個数: 80

約数和(自身を含む): 442170960

約数和(自身を除く): 234382210

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 125, 130, 190, 247, 250, 325, 475, 494, 625, 650, 673, 950, 1235, 1250, 1346, 1625, 2375, 2470, 3250, 3365, 4750, 6175, 6730, 8125, 8749, 11875, 12350, 12787, 16250, 16825, 17498, 23750, 25574, 30875, 33650, 43745, 61750, 63935, 84125, 87490, 127870, 154375, 166231, 168250, 218725, 308750, 319675, 332462, 420625, 437450, 639350, 831155, 841250, 1093625, 1598375, 1662310, 2187250, 3196750, 4155775, 5468125, 7991875, 8311550, 10936250, 15983750, 20778875, 41557750, 103894375, 207788750]

約数ペア:

[(1, 207788750), (2, 103894375), (5, 41557750), (10, 20778875), (13, 15983750), (19, 10936250), (25, 8311550), (26, 7991875), (38, 5468125), (50, 4155775), (65, 3196750), (95, 2187250), (125, 1662310), (130, 1598375), (190, 1093625), (247, 841250), (250, 831155), (325, 639350), (475, 437450), (494, 420625), (625, 332462), (650, 319675), (673, 308750), (950, 218725), (1235, 168250), (1250, 166231), (1346, 154375), (1625, 127870), (2375, 87490), (2470, 84125), (3250, 63935), (3365, 61750), (4750, 43745), (6175, 33650), (6730, 30875), (8125, 25574), (8749, 23750), (11875, 17498), (12350, 16825), (12787, 16250)]