311903340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20071}}^1$

素因数の和:20127

約数の個数: 96

約数和(自身を含む): 1025117184

約数和(自身を除く): 713213844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 140, 148, 185, 210, 222, 259, 370, 420, 444, 518, 555, 740, 777, 1036, 1110, 1295, 1554, 2220, 2590, 3108, 3885, 5180, 7770, 15540, 20071, 40142, 60213, 80284, 100355, 120426, 140497, 200710, 240852, 280994, 301065, 401420, 421491, 561988, 602130, 702485, 742627, 842982, 1204260, 1404970, 1485254, 1685964, 2107455, 2227881, 2809940, 2970508, 3713135, 4214910, 4455762, 5198389, 7426270, 8429820, 8911524, 10396778, 11139405, 14852540, 15595167, 20793556, 22278810, 25991945, 31190334, 44557620, 51983890, 62380668, 77975835, 103967780, 155951670, 311903340]

約数ペア:

[(1, 311903340), (2, 155951670), (3, 103967780), (4, 77975835), (5, 62380668), (6, 51983890), (7, 44557620), (10, 31190334), (12, 25991945), (14, 22278810), (15, 20793556), (20, 15595167), (21, 14852540), (28, 11139405), (30, 10396778), (35, 8911524), (37, 8429820), (42, 7426270), (60, 5198389), (70, 4455762), (74, 4214910), (84, 3713135), (105, 2970508), (111, 2809940), (140, 2227881), (148, 2107455), (185, 1685964), (210, 1485254), (222, 1404970), (259, 1204260), (370, 842982), (420, 742627), (444, 702485), (518, 602130), (555, 561988), (740, 421491), (777, 401420), (1036, 301065), (1110, 280994), (1295, 240852), (1554, 200710), (2220, 140497), (2590, 120426), (3108, 100355), (3885, 80284), (5180, 60213), (7770, 40142), (15540, 20071)]