2028503725

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 2664579456

約数和(自身を除く): 636075731

約数列:

[1, 5, 25, 37, 67, 71, 185, 335, 355, 461, 925, 1675, 1775, 2305, 2479, 2627, 4757, 11525, 12395, 13135, 17057, 23785, 30887, 32731, 61975, 65675, 85285, 118925, 154435, 163655, 176009, 426425, 772175, 818275, 880045, 1142819, 1211047, 2192977, 4400225, 5714095, 6055235, 10964885, 28570475, 30276175, 54824425, 81140149, 405700745, 2028503725]

約数ペア:

[(1, 2028503725), (5, 405700745), (25, 81140149), (37, 54824425), (67, 30276175), (71, 28570475), (185, 10964885), (335, 6055235), (355, 5714095), (461, 4400225), (925, 2192977), (1675, 1211047), (1775, 1142819), (2305, 880045), (2479, 818275), (2627, 772175), (4757, 426425), (11525, 176009), (12395, 163655), (13135, 154435), (17057, 118925), (23785, 85285), (30887, 65675), (32731, 61975)]