131289650

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1193}}^1$

素因数の和:1307

約数の個数: 48

約数和(自身を含む): 255840768

約数和(自身を除く): 124551118

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 71, 142, 155, 310, 355, 710, 775, 1193, 1550, 1775, 2201, 2386, 3550, 4402, 5965, 11005, 11930, 22010, 29825, 36983, 55025, 59650, 73966, 84703, 110050, 169406, 184915, 369830, 423515, 847030, 924575, 1849150, 2117575, 2625793, 4235150, 5251586, 13128965, 26257930, 65644825, 131289650]

約数ペア:

[(1, 131289650), (2, 65644825), (5, 26257930), (10, 13128965), (25, 5251586), (31, 4235150), (50, 2625793), (62, 2117575), (71, 1849150), (142, 924575), (155, 847030), (310, 423515), (355, 369830), (710, 184915), (775, 169406), (1193, 110050), (1550, 84703), (1775, 73966), (2201, 59650), (2386, 55025), (3550, 36983), (4402, 29825), (5965, 22010), (11005, 11930)]