168430220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{70769}}^1$

素因数の和:70802

約数の個数: 48

約数和(自身を含む): 428016960

約数和(自身を除く): 259586740

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 70769, 141538, 283076, 353845, 495383, 707690, 990766, 1203073, 1415380, 1981532, 2406146, 2476915, 4812292, 4953830, 6015365, 8421511, 9907660, 12030730, 16843022, 24061460, 33686044, 42107555, 84215110, 168430220]

約数ペア:

[(1, 168430220), (2, 84215110), (4, 42107555), (5, 33686044), (7, 24061460), (10, 16843022), (14, 12030730), (17, 9907660), (20, 8421511), (28, 6015365), (34, 4953830), (35, 4812292), (68, 2476915), (70, 2406146), (85, 1981532), (119, 1415380), (140, 1203073), (170, 990766), (238, 707690), (340, 495383), (476, 353845), (595, 283076), (1190, 141538), (2380, 70769)]