2257156680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{989981}}^1$

素因数の和:990014

約数の個数: 64

約数和(自身を含む): 7127870400

約数和(自身を除く): 4870713720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 989981, 1979962, 2969943, 3959924, 4949905, 5939886, 7919848, 9899810, 11879772, 14849715, 18809639, 19799620, 23759544, 29699430, 37619278, 39599240, 56428917, 59398860, 75238556, 94048195, 112857834, 118797720, 150477112, 188096390, 225715668, 282144585, 376192780, 451431336, 564289170, 752385560, 1128578340, 2257156680]

約数ペア:

[(1, 2257156680), (2, 1128578340), (3, 752385560), (4, 564289170), (5, 451431336), (6, 376192780), (8, 282144585), (10, 225715668), (12, 188096390), (15, 150477112), (19, 118797720), (20, 112857834), (24, 94048195), (30, 75238556), (38, 59398860), (40, 56428917), (57, 39599240), (60, 37619278), (76, 29699430), (95, 23759544), (114, 19799620), (120, 18809639), (152, 14849715), (190, 11879772), (228, 9899810), (285, 7919848), (380, 5939886), (456, 4949905), (570, 3959924), (760, 2969943), (1140, 1979962), (2280, 989981)]