389295280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2969}}^1$

素因数の和:3142

約数の個数: 80

約数和(自身を含む): 994356000

約数和(自身を除く): 605060720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 149, 176, 220, 298, 440, 596, 745, 880, 1192, 1490, 1639, 2384, 2969, 2980, 3278, 5938, 5960, 6556, 8195, 11876, 11920, 13112, 14845, 16390, 23752, 26224, 29690, 32659, 32780, 47504, 59380, 65318, 65560, 118760, 130636, 131120, 163295, 237520, 261272, 326590, 442381, 522544, 653180, 884762, 1306360, 1769524, 2211905, 2612720, 3539048, 4423810, 4866191, 7078096, 8847620, 9732382, 17695240, 19464764, 24330955, 35390480, 38929528, 48661910, 77859056, 97323820, 194647640, 389295280]

約数ペア:

[(1, 389295280), (2, 194647640), (4, 97323820), (5, 77859056), (8, 48661910), (10, 38929528), (11, 35390480), (16, 24330955), (20, 19464764), (22, 17695240), (40, 9732382), (44, 8847620), (55, 7078096), (80, 4866191), (88, 4423810), (110, 3539048), (149, 2612720), (176, 2211905), (220, 1769524), (298, 1306360), (440, 884762), (596, 653180), (745, 522544), (880, 442381), (1192, 326590), (1490, 261272), (1639, 237520), (2384, 163295), (2969, 131120), (2980, 130636), (3278, 118760), (5938, 65560), (5960, 65318), (6556, 59380), (8195, 47504), (11876, 32780), (11920, 32659), (13112, 29690), (14845, 26224), (16390, 23752)]