74900375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 64

約数和(自身を含む): 111421440

約数和(自身を除く): 36521065

約数列:

[1, 5, 11, 19, 25, 47, 55, 61, 95, 125, 209, 235, 275, 305, 475, 517, 671, 893, 1045, 1159, 1175, 1375, 1525, 2375, 2585, 2867, 3355, 4465, 5225, 5795, 5875, 7625, 9823, 12749, 12925, 14335, 16775, 22325, 26125, 28975, 31537, 49115, 54473, 63745, 64625, 71675, 83875, 111625, 144875, 157685, 245575, 272365, 318725, 358375, 599203, 788425, 1227875, 1361825, 1593625, 2996015, 3942125, 6809125, 14980075, 74900375]

約数ペア:

[(1, 74900375), (5, 14980075), (11, 6809125), (19, 3942125), (25, 2996015), (47, 1593625), (55, 1361825), (61, 1227875), (95, 788425), (125, 599203), (209, 358375), (235, 318725), (275, 272365), (305, 245575), (475, 157685), (517, 144875), (671, 111625), (893, 83875), (1045, 71675), (1159, 64625), (1175, 63745), (1375, 54473), (1525, 49115), (2375, 31537), (2585, 28975), (2867, 26125), (3355, 22325), (4465, 16775), (5225, 14335), (5795, 12925), (5875, 12749), (7625, 9823)]