1208893570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 2320980480

約数和(自身を除く): 1112086910

約数列:

[1, 2, 5, 10, 23, 46, 71, 115, 142, 181, 230, 355, 362, 409, 710, 818, 905, 1633, 1810, 2045, 3266, 4090, 4163, 8165, 8326, 9407, 12851, 16330, 18814, 20815, 25702, 29039, 41630, 47035, 58078, 64255, 74029, 94070, 128510, 145195, 148058, 290390, 295573, 370145, 591146, 667897, 740290, 1335794, 1477865, 1702667, 2955730, 3339485, 3405334, 5256059, 6678970, 8513335, 10512118, 17026670, 26280295, 52560590, 120889357, 241778714, 604446785, 1208893570]

約数ペア:

[(1, 1208893570), (2, 604446785), (5, 241778714), (10, 120889357), (23, 52560590), (46, 26280295), (71, 17026670), (115, 10512118), (142, 8513335), (181, 6678970), (230, 5256059), (355, 3405334), (362, 3339485), (409, 2955730), (710, 1702667), (818, 1477865), (905, 1335794), (1633, 740290), (1810, 667897), (2045, 591146), (3266, 370145), (4090, 295573), (4163, 290390), (8165, 148058), (8326, 145195), (9407, 128510), (12851, 94070), (16330, 74029), (18814, 64255), (20815, 58078), (25702, 47035), (29039, 41630)]