28921450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:487

約数の個数: 48

約数和(自身を含む): 56853504

約数和(自身を除く): 27932054

約数列:

[1, 2, 5, 10, 25, 31, 47, 50, 62, 94, 155, 235, 310, 397, 470, 775, 794, 1175, 1457, 1550, 1985, 2350, 2914, 3970, 7285, 9925, 12307, 14570, 18659, 19850, 24614, 36425, 37318, 61535, 72850, 93295, 123070, 186590, 307675, 466475, 578429, 615350, 932950, 1156858, 2892145, 5784290, 14460725, 28921450]

約数ペア:

[(1, 28921450), (2, 14460725), (5, 5784290), (10, 2892145), (25, 1156858), (31, 932950), (47, 615350), (50, 578429), (62, 466475), (94, 307675), (155, 186590), (235, 123070), (310, 93295), (397, 72850), (470, 61535), (775, 37318), (794, 36425), (1175, 24614), (1457, 19850), (1550, 18659), (1985, 14570), (2350, 12307), (2914, 9925), (3970, 7285)]