202479320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1\times {\mathrm{373}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 469355040

約数和(自身を除く): 266875720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 331, 373, 410, 662, 746, 820, 1324, 1492, 1640, 1655, 1865, 2648, 2984, 3310, 3730, 6620, 7460, 13240, 13571, 14920, 15293, 27142, 30586, 54284, 61172, 67855, 76465, 108568, 122344, 123463, 135710, 152930, 246926, 271420, 305860, 493852, 542840, 611720, 617315, 987704, 1234630, 2469260, 4938520, 5061983, 10123966, 20247932, 25309915, 40495864, 50619830, 101239660, 202479320]

約数ペア:

[(1, 202479320), (2, 101239660), (4, 50619830), (5, 40495864), (8, 25309915), (10, 20247932), (20, 10123966), (40, 5061983), (41, 4938520), (82, 2469260), (164, 1234630), (205, 987704), (328, 617315), (331, 611720), (373, 542840), (410, 493852), (662, 305860), (746, 271420), (820, 246926), (1324, 152930), (1492, 135710), (1640, 123463), (1655, 122344), (1865, 108568), (2648, 76465), (2984, 67855), (3310, 61172), (3730, 54284), (6620, 30586), (7460, 27142), (13240, 15293), (13571, 14920)]