128570900

素因数分解:

$2^2\times 5^2\times {\mathrm{659}}^1\times {\mathrm{1951}}^1$

素因数の和:2624

約数の個数: 36

約数和(自身を含む): 279565440

約数和(自身を除く): 150994540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 659, 1318, 1951, 2636, 3295, 3902, 6590, 7804, 9755, 13180, 16475, 19510, 32950, 39020, 48775, 65900, 97550, 195100, 1285709, 2571418, 5142836, 6428545, 12857090, 25714180, 32142725, 64285450, 128570900]

約数ペア:

[(1, 128570900), (2, 64285450), (4, 32142725), (5, 25714180), (10, 12857090), (20, 6428545), (25, 5142836), (50, 2571418), (100, 1285709), (659, 195100), (1318, 97550), (1951, 65900), (2636, 48775), (3295, 39020), (3902, 32950), (6590, 19510), (7804, 16475), (9755, 13180)]