420329950

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{379}}^1\times {\mathrm{541}}^1$

素因数の和:973

約数の個数: 48

約数和(自身を含む): 804479760

約数和(自身を除く): 384149810

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 379, 410, 541, 758, 1025, 1082, 1895, 2050, 2705, 3790, 5410, 9475, 13525, 15539, 18950, 22181, 27050, 31078, 44362, 77695, 110905, 155390, 205039, 221810, 388475, 410078, 554525, 776950, 1025195, 1109050, 2050390, 5125975, 8406599, 10251950, 16813198, 42032995, 84065990, 210164975, 420329950]

約数ペア:

[(1, 420329950), (2, 210164975), (5, 84065990), (10, 42032995), (25, 16813198), (41, 10251950), (50, 8406599), (82, 5125975), (205, 2050390), (379, 1109050), (410, 1025195), (541, 776950), (758, 554525), (1025, 410078), (1082, 388475), (1895, 221810), (2050, 205039), (2705, 155390), (3790, 110905), (5410, 77695), (9475, 44362), (13525, 31078), (15539, 27050), (18950, 22181)]