764485420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{20899}}^1$

素因数の和:20998

約数の個数: 48

約数和(自身を含む): 1685376000

約数和(自身を除く): 920890580

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 236, 295, 310, 590, 620, 1180, 1829, 3658, 7316, 9145, 18290, 20899, 36580, 41798, 83596, 104495, 208990, 417980, 647869, 1233041, 1295738, 2466082, 2591476, 3239345, 4932164, 6165205, 6478690, 12330410, 12957380, 24660820, 38224271, 76448542, 152897084, 191121355, 382242710, 764485420]

約数ペア:

[(1, 764485420), (2, 382242710), (4, 191121355), (5, 152897084), (10, 76448542), (20, 38224271), (31, 24660820), (59, 12957380), (62, 12330410), (118, 6478690), (124, 6165205), (155, 4932164), (236, 3239345), (295, 2591476), (310, 2466082), (590, 1295738), (620, 1233041), (1180, 647869), (1829, 417980), (3658, 208990), (7316, 104495), (9145, 83596), (18290, 41798), (20899, 36580)]