740487980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1\times {\mathrm{1213}}^1$

素因数の和:1586

約数の個数: 48

約数和(自身を含む): 1574917344

約数和(自身を除く): 834429364

約数列:

[1, 2, 4, 5, 10, 20, 131, 233, 262, 466, 524, 655, 932, 1165, 1213, 1310, 2330, 2426, 2620, 4660, 4852, 6065, 12130, 24260, 30523, 61046, 122092, 152615, 158903, 282629, 305230, 317806, 565258, 610460, 635612, 794515, 1130516, 1413145, 1589030, 2826290, 3178060, 5652580, 37024399, 74048798, 148097596, 185121995, 370243990, 740487980]

約数ペア:

[(1, 740487980), (2, 370243990), (4, 185121995), (5, 148097596), (10, 74048798), (20, 37024399), (131, 5652580), (233, 3178060), (262, 2826290), (466, 1589030), (524, 1413145), (655, 1130516), (932, 794515), (1165, 635612), (1213, 610460), (1310, 565258), (2330, 317806), (2426, 305230), (2620, 282629), (4660, 158903), (4852, 152615), (6065, 122092), (12130, 61046), (24260, 30523)]