245515660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1$

素因数の和:503

約数の個数: 96

約数和(自身を含む): 581640192

約数和(自身を除く): 336124532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 83, 124, 130, 155, 166, 260, 310, 332, 367, 403, 415, 620, 734, 806, 830, 1079, 1468, 1612, 1660, 1835, 2015, 2158, 2573, 3670, 4030, 4316, 4771, 5146, 5395, 7340, 8060, 9542, 10292, 10790, 11377, 12865, 19084, 21580, 22754, 23855, 25730, 30461, 33449, 45508, 47710, 51460, 56885, 60922, 66898, 95420, 113770, 121844, 133796, 147901, 152305, 167245, 227540, 295802, 304610, 334490, 395993, 591604, 609220, 668980, 739505, 791986, 944291, 1479010, 1583972, 1888582, 1979965, 2958020, 3777164, 3959930, 4721455, 7919860, 9442910, 12275783, 18885820, 24551566, 49103132, 61378915, 122757830, 245515660]

約数ペア:

[(1, 245515660), (2, 122757830), (4, 61378915), (5, 49103132), (10, 24551566), (13, 18885820), (20, 12275783), (26, 9442910), (31, 7919860), (52, 4721455), (62, 3959930), (65, 3777164), (83, 2958020), (124, 1979965), (130, 1888582), (155, 1583972), (166, 1479010), (260, 944291), (310, 791986), (332, 739505), (367, 668980), (403, 609220), (415, 591604), (620, 395993), (734, 334490), (806, 304610), (830, 295802), (1079, 227540), (1468, 167245), (1612, 152305), (1660, 147901), (1835, 133796), (2015, 121844), (2158, 113770), (2573, 95420), (3670, 66898), (4030, 60922), (4316, 56885), (4771, 51460), (5146, 47710), (5395, 45508), (7340, 33449), (8060, 30461), (9542, 25730), (10292, 23855), (10790, 22754), (11377, 21580), (12865, 19084)]