2018178100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{1907}}^1$

素因数の和:2497

約数の個数: 72

約数和(自身を含む): 4620641760

約数和(自身を除く): 2602463660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 557, 950, 1114, 1900, 1907, 2228, 2785, 3814, 5570, 7628, 9535, 10583, 11140, 13925, 19070, 21166, 27850, 36233, 38140, 42332, 47675, 52915, 55700, 72466, 95350, 105830, 144932, 181165, 190700, 211660, 264575, 362330, 529150, 724660, 905825, 1058300, 1062199, 1811650, 2124398, 3623300, 4248796, 5310995, 10621990, 20181781, 21243980, 26554975, 40363562, 53109950, 80727124, 100908905, 106219900, 201817810, 403635620, 504544525, 1009089050, 2018178100]

約数ペア:

[(1, 2018178100), (2, 1009089050), (4, 504544525), (5, 403635620), (10, 201817810), (19, 106219900), (20, 100908905), (25, 80727124), (38, 53109950), (50, 40363562), (76, 26554975), (95, 21243980), (100, 20181781), (190, 10621990), (380, 5310995), (475, 4248796), (557, 3623300), (950, 2124398), (1114, 1811650), (1900, 1062199), (1907, 1058300), (2228, 905825), (2785, 724660), (3814, 529150), (5570, 362330), (7628, 264575), (9535, 211660), (10583, 190700), (11140, 181165), (13925, 144932), (19070, 105830), (21166, 95350), (27850, 72466), (36233, 55700), (38140, 52915), (42332, 47675)]