138800920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{12007}}^1$

素因数の和:12052

約数の個数: 48

約数和(自身を含む): 331781040

約数和(自身を除く): 192980120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 11560, 12007, 24014, 48028, 60035, 96056, 120070, 204119, 240140, 408238, 480280, 816476, 1020595, 1632952, 2041190, 3470023, 4082380, 6940046, 8164760, 13880092, 17350115, 27760184, 34700230, 69400460, 138800920]

約数ペア:

[(1, 138800920), (2, 69400460), (4, 34700230), (5, 27760184), (8, 17350115), (10, 13880092), (17, 8164760), (20, 6940046), (34, 4082380), (40, 3470023), (68, 2041190), (85, 1632952), (136, 1020595), (170, 816476), (289, 480280), (340, 408238), (578, 240140), (680, 204119), (1156, 120070), (1445, 96056), (2312, 60035), (2890, 48028), (5780, 24014), (11560, 12007)]