203060240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149309}}^1$

素因数の和:149339

約数の個数: 40

約数和(自身を含む): 499889880

約数和(自身を除く): 296829640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 149309, 298618, 597236, 746545, 1194472, 1493090, 2388944, 2538253, 2986180, 5076506, 5972360, 10153012, 11944720, 12691265, 20306024, 25382530, 40612048, 50765060, 101530120, 203060240]

約数ペア:

[(1, 203060240), (2, 101530120), (4, 50765060), (5, 40612048), (8, 25382530), (10, 20306024), (16, 12691265), (17, 11944720), (20, 10153012), (34, 5972360), (40, 5076506), (68, 2986180), (80, 2538253), (85, 2388944), (136, 1493090), (170, 1194472), (272, 746545), (340, 597236), (680, 298618), (1360, 149309)]