620553620

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{1787}}^1$

素因数の和:2072

約数の個数: 48

約数和(自身を含む): 1324693440

約数和(自身を除く): 704139820

約数列:

[1, 2, 4, 5, 10, 20, 97, 179, 194, 358, 388, 485, 716, 895, 970, 1787, 1790, 1940, 3574, 3580, 7148, 8935, 17363, 17870, 34726, 35740, 69452, 86815, 173339, 173630, 319873, 346678, 347260, 639746, 693356, 866695, 1279492, 1599365, 1733390, 3198730, 3466780, 6397460, 31027681, 62055362, 124110724, 155138405, 310276810, 620553620]

約数ペア:

[(1, 620553620), (2, 310276810), (4, 155138405), (5, 124110724), (10, 62055362), (20, 31027681), (97, 6397460), (179, 3466780), (194, 3198730), (358, 1733390), (388, 1599365), (485, 1279492), (716, 866695), (895, 693356), (970, 639746), (1787, 347260), (1790, 346678), (1940, 319873), (3574, 173630), (3580, 173339), (7148, 86815), (8935, 69452), (17363, 35740), (17870, 34726)]