42138990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20357}}^1$

素因数の和:20393

約数の個数: 48

約数和(自身を含む): 114330528

約数和(自身を除く): 72191538

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 20357, 40714, 61071, 101785, 122142, 183213, 203570, 305355, 366426, 468211, 610710, 916065, 936422, 1404633, 1832130, 2341055, 2809266, 4213899, 4682110, 7023165, 8427798, 14046330, 21069495, 42138990]

約数ペア:

[(1, 42138990), (2, 21069495), (3, 14046330), (5, 8427798), (6, 7023165), (9, 4682110), (10, 4213899), (15, 2809266), (18, 2341055), (23, 1832130), (30, 1404633), (45, 936422), (46, 916065), (69, 610710), (90, 468211), (115, 366426), (138, 305355), (207, 203570), (230, 183213), (345, 122142), (414, 101785), (690, 61071), (1035, 40714), (2070, 20357)]