313658620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 774353664

約数和(自身を除く): 460695044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 37, 44, 55, 62, 74, 110, 113, 121, 124, 148, 155, 185, 220, 226, 242, 310, 341, 370, 407, 452, 484, 565, 605, 620, 682, 740, 814, 1130, 1147, 1210, 1243, 1364, 1628, 1705, 2035, 2260, 2294, 2420, 2486, 3410, 3503, 3751, 4070, 4181, 4477, 4588, 4972, 5735, 6215, 6820, 7006, 7502, 8140, 8362, 8954, 11470, 12430, 12617, 13673, 14012, 15004, 16724, 17515, 17908, 18755, 20905, 22385, 22940, 24860, 25234, 27346, 35030, 37510, 38533, 41810, 44770, 45991, 50468, 54692, 63085, 68365, 70060, 75020, 77066, 83620, 89540, 91982, 126170, 129611, 136730, 138787, 154132, 183964, 192665, 229955, 252340, 259222, 273460, 277574, 385330, 423863, 459910, 505901, 518444, 555148, 648055, 693935, 770660, 847726, 919820, 1011802, 1296110, 1387870, 1425721, 1695452, 2023604, 2119315, 2529505, 2592220, 2775740, 2851442, 4238630, 5059010, 5702884, 7128605, 8477260, 10118020, 14257210, 15682931, 28514420, 31365862, 62731724, 78414655, 156829310, 313658620]

約数ペア:

[(1, 313658620), (2, 156829310), (4, 78414655), (5, 62731724), (10, 31365862), (11, 28514420), (20, 15682931), (22, 14257210), (31, 10118020), (37, 8477260), (44, 7128605), (55, 5702884), (62, 5059010), (74, 4238630), (110, 2851442), (113, 2775740), (121, 2592220), (124, 2529505), (148, 2119315), (155, 2023604), (185, 1695452), (220, 1425721), (226, 1387870), (242, 1296110), (310, 1011802), (341, 919820), (370, 847726), (407, 770660), (452, 693935), (484, 648055), (565, 555148), (605, 518444), (620, 505901), (682, 459910), (740, 423863), (814, 385330), (1130, 277574), (1147, 273460), (1210, 259222), (1243, 252340), (1364, 229955), (1628, 192665), (1705, 183964), (2035, 154132), (2260, 138787), (2294, 136730), (2420, 129611), (2486, 126170), (3410, 91982), (3503, 89540), (3751, 83620), (4070, 77066), (4181, 75020), (4477, 70060), (4588, 68365), (4972, 63085), (5735, 54692), (6215, 50468), (6820, 45991), (7006, 44770), (7502, 41810), (8140, 38533), (8362, 37510), (8954, 35030), (11470, 27346), (12430, 25234), (12617, 24860), (13673, 22940), (14012, 22385), (15004, 20905), (16724, 18755), (17515, 17908)]