2121400750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41801}}^1$

素因数の和:41854

約数の個数: 64

約数和(自身を含む): 4695200640

約数和(自身を除く): 2573799890

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 125, 145, 175, 203, 250, 290, 350, 406, 725, 875, 1015, 1450, 1750, 2030, 3625, 5075, 7250, 10150, 25375, 41801, 50750, 83602, 209005, 292607, 418010, 585214, 1045025, 1212229, 1463035, 2090050, 2424458, 2926070, 5225125, 6061145, 7315175, 8485603, 10450250, 12122290, 14630350, 16971206, 30305725, 36575875, 42428015, 60611450, 73151750, 84856030, 151528625, 212140075, 303057250, 424280150, 1060700375, 2121400750]

約数ペア:

[(1, 2121400750), (2, 1060700375), (5, 424280150), (7, 303057250), (10, 212140075), (14, 151528625), (25, 84856030), (29, 73151750), (35, 60611450), (50, 42428015), (58, 36575875), (70, 30305725), (125, 16971206), (145, 14630350), (175, 12122290), (203, 10450250), (250, 8485603), (290, 7315175), (350, 6061145), (406, 5225125), (725, 2926070), (875, 2424458), (1015, 2090050), (1450, 1463035), (1750, 1212229), (2030, 1045025), (3625, 585214), (5075, 418010), (7250, 292607), (10150, 209005), (25375, 83602), (41801, 50750)]