179494340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 411264000

約数和(自身を除く): 231769660

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 67, 116, 124, 134, 145, 149, 155, 268, 290, 298, 310, 335, 580, 596, 620, 670, 745, 899, 1340, 1490, 1798, 1943, 2077, 2980, 3596, 3886, 4154, 4321, 4495, 4619, 7772, 8308, 8642, 8990, 9238, 9715, 9983, 10385, 17284, 17980, 18476, 19430, 19966, 20770, 21605, 23095, 38860, 39932, 41540, 43210, 46190, 49915, 60233, 86420, 92380, 99830, 120466, 133951, 199660, 240932, 267902, 289507, 301165, 309473, 535804, 579014, 602330, 618946, 669755, 1158028, 1204660, 1237892, 1339510, 1447535, 1547365, 2679020, 2895070, 3094730, 5790140, 6189460, 8974717, 17949434, 35898868, 44873585, 89747170, 179494340]

約数ペア:

[(1, 179494340), (2, 89747170), (4, 44873585), (5, 35898868), (10, 17949434), (20, 8974717), (29, 6189460), (31, 5790140), (58, 3094730), (62, 2895070), (67, 2679020), (116, 1547365), (124, 1447535), (134, 1339510), (145, 1237892), (149, 1204660), (155, 1158028), (268, 669755), (290, 618946), (298, 602330), (310, 579014), (335, 535804), (580, 309473), (596, 301165), (620, 289507), (670, 267902), (745, 240932), (899, 199660), (1340, 133951), (1490, 120466), (1798, 99830), (1943, 92380), (2077, 86420), (2980, 60233), (3596, 49915), (3886, 46190), (4154, 43210), (4321, 41540), (4495, 39932), (4619, 38860), (7772, 23095), (8308, 21605), (8642, 20770), (8990, 19966), (9238, 19430), (9715, 18476), (9983, 17980), (10385, 17284)]