87570940

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 187536384

約数和(自身を除く): 99965444

約数列:

[1, 2, 4, 5, 10, 20, 107, 151, 214, 271, 302, 428, 535, 542, 604, 755, 1070, 1084, 1355, 1510, 2140, 2710, 3020, 5420, 16157, 28997, 32314, 40921, 57994, 64628, 80785, 81842, 115988, 144985, 161570, 163684, 204605, 289970, 323140, 409210, 579940, 818420, 4378547, 8757094, 17514188, 21892735, 43785470, 87570940]

約数ペア:

[(1, 87570940), (2, 43785470), (4, 21892735), (5, 17514188), (10, 8757094), (20, 4378547), (107, 818420), (151, 579940), (214, 409210), (271, 323140), (302, 289970), (428, 204605), (535, 163684), (542, 161570), (604, 144985), (755, 115988), (1070, 81842), (1084, 80785), (1355, 64628), (1510, 57994), (2140, 40921), (2710, 32314), (3020, 28997), (5420, 16157)]