385654720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^2$

素因数の和:690

約数の個数: 84

約数和(自身を含む): 1004861592

約数和(自身を除く): 619206872

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 331, 352, 440, 662, 704, 880, 1324, 1655, 1760, 2648, 3310, 3520, 3641, 5296, 6620, 7282, 10592, 13240, 14564, 18205, 21184, 26480, 29128, 36410, 52960, 58256, 72820, 105920, 109561, 116512, 145640, 219122, 233024, 291280, 438244, 547805, 582560, 876488, 1095610, 1165120, 1205171, 1752976, 2191220, 2410342, 3505952, 4382440, 4820684, 6025855, 7011904, 8764880, 9641368, 12051710, 17529760, 19282736, 24103420, 35059520, 38565472, 48206840, 77130944, 96413680, 192827360, 385654720]

約数ペア:

[(1, 385654720), (2, 192827360), (4, 96413680), (5, 77130944), (8, 48206840), (10, 38565472), (11, 35059520), (16, 24103420), (20, 19282736), (22, 17529760), (32, 12051710), (40, 9641368), (44, 8764880), (55, 7011904), (64, 6025855), (80, 4820684), (88, 4382440), (110, 3505952), (160, 2410342), (176, 2191220), (220, 1752976), (320, 1205171), (331, 1165120), (352, 1095610), (440, 876488), (662, 582560), (704, 547805), (880, 438244), (1324, 291280), (1655, 233024), (1760, 219122), (2648, 145640), (3310, 116512), (3520, 109561), (3641, 105920), (5296, 72820), (6620, 58256), (7282, 52960), (10592, 36410), (13240, 29128), (14564, 26480), (18205, 21184)]