210019420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 498548736

約数和(自身を除く): 288529316

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 71, 124, 130, 142, 155, 260, 284, 310, 355, 367, 403, 620, 710, 734, 806, 923, 1420, 1468, 1612, 1835, 1846, 2015, 2201, 3670, 3692, 4030, 4402, 4615, 4771, 7340, 8060, 8804, 9230, 9542, 11005, 11377, 18460, 19084, 22010, 22754, 23855, 26057, 28613, 44020, 45508, 47710, 52114, 56885, 57226, 95420, 104228, 113770, 114452, 130285, 143065, 147901, 227540, 260570, 286130, 295802, 338741, 521140, 572260, 591604, 677482, 739505, 807767, 1354964, 1479010, 1615534, 1693705, 2958020, 3231068, 3387410, 4038835, 6774820, 8077670, 10500971, 16155340, 21001942, 42003884, 52504855, 105009710, 210019420]

約数ペア:

[(1, 210019420), (2, 105009710), (4, 52504855), (5, 42003884), (10, 21001942), (13, 16155340), (20, 10500971), (26, 8077670), (31, 6774820), (52, 4038835), (62, 3387410), (65, 3231068), (71, 2958020), (124, 1693705), (130, 1615534), (142, 1479010), (155, 1354964), (260, 807767), (284, 739505), (310, 677482), (355, 591604), (367, 572260), (403, 521140), (620, 338741), (710, 295802), (734, 286130), (806, 260570), (923, 227540), (1420, 147901), (1468, 143065), (1612, 130285), (1835, 114452), (1846, 113770), (2015, 104228), (2201, 95420), (3670, 57226), (3692, 56885), (4030, 52114), (4402, 47710), (4615, 45508), (4771, 44020), (7340, 28613), (8060, 26057), (8804, 23855), (9230, 22754), (9542, 22010), (11005, 19084), (11377, 18460)]