331121210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{599}}^1$

素因数の和:815

約数の個数: 64

約数和(自身を含む): 699840000

約数和(自身を除く): 368718790

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 149, 265, 298, 371, 530, 599, 742, 745, 1043, 1198, 1490, 1855, 2086, 2995, 3710, 4193, 5215, 5990, 7897, 8386, 10430, 15794, 20965, 31747, 39485, 41930, 55279, 63494, 78970, 89251, 110558, 158735, 178502, 222229, 276395, 317470, 444458, 446255, 552790, 624757, 892510, 1111145, 1249514, 2222290, 3123785, 4730303, 6247570, 9460606, 23651515, 33112121, 47303030, 66224242, 165560605, 331121210]

約数ペア:

[(1, 331121210), (2, 165560605), (5, 66224242), (7, 47303030), (10, 33112121), (14, 23651515), (35, 9460606), (53, 6247570), (70, 4730303), (106, 3123785), (149, 2222290), (265, 1249514), (298, 1111145), (371, 892510), (530, 624757), (599, 552790), (742, 446255), (745, 444458), (1043, 317470), (1198, 276395), (1490, 222229), (1855, 178502), (2086, 158735), (2995, 110558), (3710, 89251), (4193, 78970), (5215, 63494), (5990, 55279), (7897, 41930), (8386, 39485), (10430, 31747), (15794, 20965)]