30417820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 66963456

約数和(自身を除く): 36545636

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 691, 710, 1382, 1420, 2201, 2764, 3455, 4402, 6910, 8804, 11005, 13820, 21421, 22010, 42842, 44020, 49061, 85684, 98122, 107105, 196244, 214210, 245305, 428420, 490610, 981220, 1520891, 3041782, 6083564, 7604455, 15208910, 30417820]

約数ペア:

[(1, 30417820), (2, 15208910), (4, 7604455), (5, 6083564), (10, 3041782), (20, 1520891), (31, 981220), (62, 490610), (71, 428420), (124, 245305), (142, 214210), (155, 196244), (284, 107105), (310, 98122), (355, 85684), (620, 49061), (691, 44020), (710, 42842), (1382, 22010), (1420, 21421), (2201, 13820), (2764, 11005), (3455, 8804), (4402, 6910)]