402283375

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 551547360

約数和(自身を除く): 149263985

約数列:

[1, 5, 13, 25, 65, 125, 137, 139, 169, 325, 685, 695, 845, 1625, 1781, 1807, 3425, 3475, 4225, 8905, 9035, 17125, 17375, 19043, 21125, 23153, 23491, 44525, 45175, 95215, 115765, 117455, 222625, 225875, 247559, 476075, 578825, 587275, 1237795, 2380375, 2894125, 2936375, 3218267, 6188975, 16091335, 30944875, 80456675, 402283375]

約数ペア:

[(1, 402283375), (5, 80456675), (13, 30944875), (25, 16091335), (65, 6188975), (125, 3218267), (137, 2936375), (139, 2894125), (169, 2380375), (325, 1237795), (685, 587275), (695, 578825), (845, 476075), (1625, 247559), (1781, 225875), (1807, 222625), (3425, 117455), (3475, 115765), (4225, 95215), (8905, 45175), (9035, 44525), (17125, 23491), (17375, 23153), (19043, 21125)]