197864320

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9973}}^1$

素因数の和:10023

約数の個数: 64

約数和(自身を含む): 488327040

約数和(自身を除く): 290462720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 9973, 19840, 19946, 39892, 49865, 79784, 99730, 159568, 199460, 309163, 319136, 398920, 618326, 638272, 797840, 1236652, 1276544, 1545815, 1595680, 2473304, 3091630, 3191360, 4946608, 6183260, 6382720, 9893216, 12366520, 19786432, 24733040, 39572864, 49466080, 98932160, 197864320]

約数ペア:

[(1, 197864320), (2, 98932160), (4, 49466080), (5, 39572864), (8, 24733040), (10, 19786432), (16, 12366520), (20, 9893216), (31, 6382720), (32, 6183260), (40, 4946608), (62, 3191360), (64, 3091630), (80, 2473304), (124, 1595680), (128, 1545815), (155, 1276544), (160, 1236652), (248, 797840), (310, 638272), (320, 618326), (496, 398920), (620, 319136), (640, 309163), (992, 199460), (1240, 159568), (1984, 99730), (2480, 79784), (3968, 49865), (4960, 39892), (9920, 19946), (9973, 19840)]