219324080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{619}}^1$

素因数の和:778

約数の個数: 80

約数和(自身を含む): 527704320

約数和(自身を除く): 308380240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 103, 172, 206, 215, 344, 412, 430, 515, 619, 688, 824, 860, 1030, 1238, 1648, 1720, 2060, 2476, 3095, 3440, 4120, 4429, 4952, 6190, 8240, 8858, 9904, 12380, 17716, 22145, 24760, 26617, 35432, 44290, 49520, 53234, 63757, 70864, 88580, 106468, 127514, 133085, 177160, 212936, 255028, 266170, 318785, 354320, 425872, 510056, 532340, 637570, 1020112, 1064680, 1275140, 2129360, 2550280, 2741551, 5100560, 5483102, 10966204, 13707755, 21932408, 27415510, 43864816, 54831020, 109662040, 219324080]

約数ペア:

[(1, 219324080), (2, 109662040), (4, 54831020), (5, 43864816), (8, 27415510), (10, 21932408), (16, 13707755), (20, 10966204), (40, 5483102), (43, 5100560), (80, 2741551), (86, 2550280), (103, 2129360), (172, 1275140), (206, 1064680), (215, 1020112), (344, 637570), (412, 532340), (430, 510056), (515, 425872), (619, 354320), (688, 318785), (824, 266170), (860, 255028), (1030, 212936), (1238, 177160), (1648, 133085), (1720, 127514), (2060, 106468), (2476, 88580), (3095, 70864), (3440, 63757), (4120, 53234), (4429, 49520), (4952, 44290), (6190, 35432), (8240, 26617), (8858, 24760), (9904, 22145), (12380, 17716)]