42121625

素因数分解:

$5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2$

素因数の和:88

約数の個数: 72

約数和(自身を含む): 68841864

約数和(自身を除く): 26720239

約数列:

[1, 5, 7, 13, 23, 25, 35, 49, 65, 91, 115, 125, 161, 175, 245, 299, 325, 455, 529, 575, 637, 805, 875, 1127, 1225, 1495, 1625, 2093, 2275, 2645, 2875, 3185, 3703, 4025, 5635, 6125, 6877, 7475, 10465, 11375, 13225, 14651, 15925, 18515, 20125, 25921, 28175, 34385, 37375, 48139, 52325, 66125, 73255, 79625, 92575, 129605, 140875, 171925, 240695, 261625, 336973, 366275, 462875, 648025, 859625, 1203475, 1684865, 1831375, 3240125, 6017375, 8424325, 42121625]

約数ペア:

[(1, 42121625), (5, 8424325), (7, 6017375), (13, 3240125), (23, 1831375), (25, 1684865), (35, 1203475), (49, 859625), (65, 648025), (91, 462875), (115, 366275), (125, 336973), (161, 261625), (175, 240695), (245, 171925), (299, 140875), (325, 129605), (455, 92575), (529, 79625), (575, 73255), (637, 66125), (805, 52325), (875, 48139), (1127, 37375), (1225, 34385), (1495, 28175), (1625, 25921), (2093, 20125), (2275, 18515), (2645, 15925), (2875, 14651), (3185, 13225), (3703, 11375), (4025, 10465), (5635, 7475), (6125, 6877)]