205738720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{10627}}^1$

素因数の和:10664

約数の個数: 72

約数和(自身を含む): 534312072

約数和(自身を除く): 328573352

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4840, 9680, 10627, 19360, 21254, 42508, 53135, 85016, 106270, 116897, 170032, 212540, 233794, 340064, 425080, 467588, 584485, 850160, 935176, 1168970, 1285867, 1700320, 1870352, 2337940, 2571734, 3740704, 4675880, 5143468, 6429335, 9351760, 10286936, 12858670, 18703520, 20573872, 25717340, 41147744, 51434680, 102869360, 205738720]

約数ペア:

[(1, 205738720), (2, 102869360), (4, 51434680), (5, 41147744), (8, 25717340), (10, 20573872), (11, 18703520), (16, 12858670), (20, 10286936), (22, 9351760), (32, 6429335), (40, 5143468), (44, 4675880), (55, 3740704), (80, 2571734), (88, 2337940), (110, 1870352), (121, 1700320), (160, 1285867), (176, 1168970), (220, 935176), (242, 850160), (352, 584485), (440, 467588), (484, 425080), (605, 340064), (880, 233794), (968, 212540), (1210, 170032), (1760, 116897), (1936, 106270), (2420, 85016), (3872, 53135), (4840, 42508), (9680, 21254), (10627, 19360)]