179507980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{691}}^1$

素因数の和:1150

約数の個数: 48

約数和(自身を含む): 390620160

約数和(自身を除く): 211112180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 419, 620, 691, 838, 1382, 1676, 2095, 2764, 3455, 4190, 6910, 8380, 12989, 13820, 21421, 25978, 42842, 51956, 64945, 85684, 107105, 129890, 214210, 259780, 289529, 428420, 579058, 1158116, 1447645, 2895290, 5790580, 8975399, 17950798, 35901596, 44876995, 89753990, 179507980]

約数ペア:

[(1, 179507980), (2, 89753990), (4, 44876995), (5, 35901596), (10, 17950798), (20, 8975399), (31, 5790580), (62, 2895290), (124, 1447645), (155, 1158116), (310, 579058), (419, 428420), (620, 289529), (691, 259780), (838, 214210), (1382, 129890), (1676, 107105), (2095, 85684), (2764, 64945), (3455, 51956), (4190, 42842), (6910, 25978), (8380, 21421), (12989, 13820)]