74490325

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 114992640

約数和(自身を除く): 40502315

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 137, 175, 239, 325, 455, 685, 959, 1195, 1673, 1781, 2275, 3107, 3425, 4795, 5975, 8365, 8905, 12467, 15535, 21749, 23975, 32743, 41825, 44525, 62335, 77675, 108745, 163715, 229201, 311675, 425659, 543725, 818575, 1146005, 2128295, 2979613, 5730025, 10641475, 14898065, 74490325]

約数ペア:

[(1, 74490325), (5, 14898065), (7, 10641475), (13, 5730025), (25, 2979613), (35, 2128295), (65, 1146005), (91, 818575), (137, 543725), (175, 425659), (239, 311675), (325, 229201), (455, 163715), (685, 108745), (959, 77675), (1195, 62335), (1673, 44525), (1781, 41825), (2275, 32743), (3107, 23975), (3425, 21749), (4795, 15535), (5975, 12467), (8365, 8905)]