28328049820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1283}}^1\times {\mathrm{6857}}^1$

素因数の和:8179

約数の個数: 96

約数和(自身を含む): 71008939008

約数和(自身を除く): 42680889188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1283, 1610, 2566, 3220, 5132, 6415, 6857, 8981, 12830, 13714, 17962, 25660, 27428, 29509, 34285, 35924, 44905, 47999, 59018, 68570, 89810, 95998, 118036, 137140, 147545, 157711, 179620, 191996, 206563, 239995, 295090, 315422, 413126, 479990, 590180, 630844, 788555, 826252, 959980, 1032815, 1103977, 1577110, 2065630, 2207954, 3154220, 4131260, 4415908, 5519885, 8797531, 11039770, 17595062, 22079540, 35190124, 43987655, 61582717, 87975310, 123165434, 175950620, 202343213, 246330868, 307913585, 404686426, 615827170, 809372852, 1011716065, 1231654340, 1416402491, 2023432130, 2832804982, 4046864260, 5665609964, 7082012455, 14164024910, 28328049820]

約数ペア:

[(1, 28328049820), (2, 14164024910), (4, 7082012455), (5, 5665609964), (7, 4046864260), (10, 2832804982), (14, 2023432130), (20, 1416402491), (23, 1231654340), (28, 1011716065), (35, 809372852), (46, 615827170), (70, 404686426), (92, 307913585), (115, 246330868), (140, 202343213), (161, 175950620), (230, 123165434), (322, 87975310), (460, 61582717), (644, 43987655), (805, 35190124), (1283, 22079540), (1610, 17595062), (2566, 11039770), (3220, 8797531), (5132, 5519885), (6415, 4415908), (6857, 4131260), (8981, 3154220), (12830, 2207954), (13714, 2065630), (17962, 1577110), (25660, 1103977), (27428, 1032815), (29509, 959980), (34285, 826252), (35924, 788555), (44905, 630844), (47999, 590180), (59018, 479990), (68570, 413126), (89810, 315422), (95998, 295090), (118036, 239995), (137140, 206563), (147545, 191996), (157711, 179620)]