1021000900

素因数分解:

$2^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{1321}}^1$

素因数の和:1525

約数の個数: 72

約数和(自身を含む): 2272042080

約数和(自身を除く): 1251041180

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 59, 100, 118, 131, 236, 262, 295, 524, 590, 655, 1180, 1310, 1321, 1475, 2620, 2642, 2950, 3275, 5284, 5900, 6550, 6605, 7729, 13100, 13210, 15458, 26420, 30916, 33025, 38645, 66050, 77290, 77939, 132100, 154580, 155878, 173051, 193225, 311756, 346102, 386450, 389695, 692204, 772900, 779390, 865255, 1558780, 1730510, 1948475, 3461020, 3896950, 4326275, 7793900, 8652550, 10210009, 17305100, 20420018, 40840036, 51050045, 102100090, 204200180, 255250225, 510500450, 1021000900]

約数ペア:

[(1, 1021000900), (2, 510500450), (4, 255250225), (5, 204200180), (10, 102100090), (20, 51050045), (25, 40840036), (50, 20420018), (59, 17305100), (100, 10210009), (118, 8652550), (131, 7793900), (236, 4326275), (262, 3896950), (295, 3461020), (524, 1948475), (590, 1730510), (655, 1558780), (1180, 865255), (1310, 779390), (1321, 772900), (1475, 692204), (2620, 389695), (2642, 386450), (2950, 346102), (3275, 311756), (5284, 193225), (5900, 173051), (6550, 155878), (6605, 154580), (7729, 132100), (13100, 77939), (13210, 77290), (15458, 66050), (26420, 38645), (30916, 33025)]