252622940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1\times {\mathrm{409}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 539330400

約数和(自身を除く): 286707460

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 347, 356, 409, 445, 694, 818, 890, 1388, 1636, 1735, 1780, 2045, 3470, 4090, 6940, 8180, 30883, 36401, 61766, 72802, 123532, 141923, 145604, 154415, 182005, 283846, 308830, 364010, 567692, 617660, 709615, 728020, 1419230, 2838460, 12631147, 25262294, 50524588, 63155735, 126311470, 252622940]

約数ペア:

[(1, 252622940), (2, 126311470), (4, 63155735), (5, 50524588), (10, 25262294), (20, 12631147), (89, 2838460), (178, 1419230), (347, 728020), (356, 709615), (409, 617660), (445, 567692), (694, 364010), (818, 308830), (890, 283846), (1388, 182005), (1636, 154415), (1735, 145604), (1780, 141923), (2045, 123532), (3470, 72802), (4090, 61766), (6940, 36401), (8180, 30883)]