216933040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{87473}}^1$

素因数の和:87517

約数の個数: 40

約数和(自身を含む): 520645248

約数和(自身を除く): 303712208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 87473, 174946, 349892, 437365, 699784, 874730, 1399568, 1749460, 2711663, 3498920, 5423326, 6997840, 10846652, 13558315, 21693304, 27116630, 43386608, 54233260, 108466520, 216933040]

約数ペア:

[(1, 216933040), (2, 108466520), (4, 54233260), (5, 43386608), (8, 27116630), (10, 21693304), (16, 13558315), (20, 10846652), (31, 6997840), (40, 5423326), (62, 3498920), (80, 2711663), (124, 1749460), (155, 1399568), (248, 874730), (310, 699784), (496, 437365), (620, 349892), (1240, 174946), (2480, 87473)]