2186868340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{21121}}^1$

素因数の和:21328

約数の個数: 48

約数和(自身を含む): 4769178624

約数和(自身を除く): 2582310284

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 167, 310, 334, 620, 668, 835, 1670, 3340, 5177, 10354, 20708, 21121, 25885, 42242, 51770, 84484, 103540, 105605, 211210, 422420, 654751, 1309502, 2619004, 3273755, 3527207, 6547510, 7054414, 13095020, 14108828, 17636035, 35272070, 70544140, 109343417, 218686834, 437373668, 546717085, 1093434170, 2186868340]

約数ペア:

[(1, 2186868340), (2, 1093434170), (4, 546717085), (5, 437373668), (10, 218686834), (20, 109343417), (31, 70544140), (62, 35272070), (124, 17636035), (155, 14108828), (167, 13095020), (310, 7054414), (334, 6547510), (620, 3527207), (668, 3273755), (835, 2619004), (1670, 1309502), (3340, 654751), (5177, 422420), (10354, 211210), (20708, 105605), (21121, 103540), (25885, 84484), (42242, 51770)]