212920480

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18743}}^1$

素因数の和:18829

約数の個数: 48

約数和(自身を含む): 510136704

約数和(自身を除く): 297216224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 11360, 18743, 37486, 74972, 93715, 149944, 187430, 299888, 374860, 599776, 749720, 1330753, 1499440, 2661506, 2998880, 5323012, 6653765, 10646024, 13307530, 21292048, 26615060, 42584096, 53230120, 106460240, 212920480]

約数ペア:

[(1, 212920480), (2, 106460240), (4, 53230120), (5, 42584096), (8, 26615060), (10, 21292048), (16, 13307530), (20, 10646024), (32, 6653765), (40, 5323012), (71, 2998880), (80, 2661506), (142, 1499440), (160, 1330753), (284, 749720), (355, 599776), (568, 374860), (710, 299888), (1136, 187430), (1420, 149944), (2272, 93715), (2840, 74972), (5680, 37486), (11360, 18743)]