816402940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{21383}}^1$

素因数の和:21498

約数の個数: 48

約数和(自身を含む): 1810626048

約数和(自身を除く): 994223108

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 83, 92, 115, 166, 230, 332, 415, 460, 830, 1660, 1909, 3818, 7636, 9545, 19090, 21383, 38180, 42766, 85532, 106915, 213830, 427660, 491809, 983618, 1774789, 1967236, 2459045, 3549578, 4918090, 7099156, 8873945, 9836180, 17747890, 35495780, 40820147, 81640294, 163280588, 204100735, 408201470, 816402940]

約数ペア:

[(1, 816402940), (2, 408201470), (4, 204100735), (5, 163280588), (10, 81640294), (20, 40820147), (23, 35495780), (46, 17747890), (83, 9836180), (92, 8873945), (115, 7099156), (166, 4918090), (230, 3549578), (332, 2459045), (415, 1967236), (460, 1774789), (830, 983618), (1660, 491809), (1909, 427660), (3818, 213830), (7636, 106915), (9545, 85532), (19090, 42766), (21383, 38180)]