28943150

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 56567808

約数和(自身を除く): 27624658

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 71, 142, 155, 263, 310, 355, 526, 710, 775, 1315, 1550, 1775, 2201, 2630, 3550, 4402, 6575, 8153, 11005, 13150, 16306, 18673, 22010, 37346, 40765, 55025, 81530, 93365, 110050, 186730, 203825, 407650, 466825, 578863, 933650, 1157726, 2894315, 5788630, 14471575, 28943150]

約数ペア:

[(1, 28943150), (2, 14471575), (5, 5788630), (10, 2894315), (25, 1157726), (31, 933650), (50, 578863), (62, 466825), (71, 407650), (142, 203825), (155, 186730), (263, 110050), (310, 93365), (355, 81530), (526, 55025), (710, 40765), (775, 37346), (1315, 22010), (1550, 18673), (1775, 16306), (2201, 13150), (2630, 11005), (3550, 8153), (4402, 6575)]