181517090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 355691520

約数和(自身を除く): 174174430

約数列:

[1, 2, 5, 10, 29, 31, 58, 61, 62, 122, 145, 155, 290, 305, 310, 331, 610, 662, 899, 1655, 1769, 1798, 1891, 3310, 3538, 3782, 4495, 8845, 8990, 9455, 9599, 10261, 17690, 18910, 19198, 20191, 20522, 40382, 47995, 51305, 54839, 95990, 100955, 102610, 109678, 201910, 274195, 297569, 548390, 585539, 595138, 625921, 1171078, 1251842, 1487845, 2927695, 2975690, 3129605, 5855390, 6259210, 18151709, 36303418, 90758545, 181517090]

約数ペア:

[(1, 181517090), (2, 90758545), (5, 36303418), (10, 18151709), (29, 6259210), (31, 5855390), (58, 3129605), (61, 2975690), (62, 2927695), (122, 1487845), (145, 1251842), (155, 1171078), (290, 625921), (305, 595138), (310, 585539), (331, 548390), (610, 297569), (662, 274195), (899, 201910), (1655, 109678), (1769, 102610), (1798, 100955), (1891, 95990), (3310, 54839), (3538, 51305), (3782, 47995), (4495, 40382), (8845, 20522), (8990, 20191), (9455, 19198), (9599, 18910), (10261, 17690)]