280827125

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 396264960

約数和(自身を除く): 115437835

約数列:

[1, 5, 19, 23, 25, 53, 95, 97, 115, 125, 265, 437, 475, 485, 575, 1007, 1219, 1325, 1843, 2185, 2231, 2375, 2425, 2875, 5035, 5141, 6095, 6625, 9215, 10925, 11155, 12125, 23161, 25175, 25705, 30475, 42389, 46075, 54625, 55775, 97679, 115805, 118243, 125875, 128525, 152375, 211945, 230375, 278875, 488395, 579025, 591215, 642625, 1059725, 2246617, 2441975, 2895125, 2956075, 5298625, 11233085, 12209875, 14780375, 56165425, 280827125]

約数ペア:

[(1, 280827125), (5, 56165425), (19, 14780375), (23, 12209875), (25, 11233085), (53, 5298625), (95, 2956075), (97, 2895125), (115, 2441975), (125, 2246617), (265, 1059725), (437, 642625), (475, 591215), (485, 579025), (575, 488395), (1007, 278875), (1219, 230375), (1325, 211945), (1843, 152375), (2185, 128525), (2231, 125875), (2375, 118243), (2425, 115805), (2875, 97679), (5035, 55775), (5141, 54625), (6095, 46075), (6625, 42389), (9215, 30475), (10925, 25705), (11155, 25175), (12125, 23161)]