287551660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{3833}}^1$

素因数の和:3895

約数の個数: 72

約数和(自身を含む): 685335168

約数和(自身を除く): 397783508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 484, 605, 620, 682, 1210, 1364, 1705, 2420, 3410, 3751, 3833, 6820, 7502, 7666, 15004, 15332, 18755, 19165, 37510, 38330, 42163, 75020, 76660, 84326, 118823, 168652, 210815, 237646, 421630, 463793, 475292, 594115, 843260, 927586, 1188230, 1307053, 1855172, 2318965, 2376460, 2614106, 4637930, 5228212, 6535265, 9275860, 13070530, 14377583, 26141060, 28755166, 57510332, 71887915, 143775830, 287551660]

約数ペア:

[(1, 287551660), (2, 143775830), (4, 71887915), (5, 57510332), (10, 28755166), (11, 26141060), (20, 14377583), (22, 13070530), (31, 9275860), (44, 6535265), (55, 5228212), (62, 4637930), (110, 2614106), (121, 2376460), (124, 2318965), (155, 1855172), (220, 1307053), (242, 1188230), (310, 927586), (341, 843260), (484, 594115), (605, 475292), (620, 463793), (682, 421630), (1210, 237646), (1364, 210815), (1705, 168652), (2420, 118823), (3410, 84326), (3751, 76660), (3833, 75020), (6820, 42163), (7502, 38330), (7666, 37510), (15004, 19165), (15332, 18755)]