61318700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{547}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 142699200

約数和(自身を除く): 81380500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 59, 76, 95, 100, 118, 190, 236, 295, 380, 475, 547, 590, 950, 1094, 1121, 1180, 1475, 1900, 2188, 2242, 2735, 2950, 4484, 5470, 5605, 5900, 10393, 10940, 11210, 13675, 20786, 22420, 27350, 28025, 32273, 41572, 51965, 54700, 56050, 64546, 103930, 112100, 129092, 161365, 207860, 259825, 322730, 519650, 613187, 645460, 806825, 1039300, 1226374, 1613650, 2452748, 3065935, 3227300, 6131870, 12263740, 15329675, 30659350, 61318700]

約数ペア:

[(1, 61318700), (2, 30659350), (4, 15329675), (5, 12263740), (10, 6131870), (19, 3227300), (20, 3065935), (25, 2452748), (38, 1613650), (50, 1226374), (59, 1039300), (76, 806825), (95, 645460), (100, 613187), (118, 519650), (190, 322730), (236, 259825), (295, 207860), (380, 161365), (475, 129092), (547, 112100), (590, 103930), (950, 64546), (1094, 56050), (1121, 54700), (1180, 51965), (1475, 41572), (1900, 32273), (2188, 28025), (2242, 27350), (2735, 22420), (2950, 20786), (4484, 13675), (5470, 11210), (5605, 10940), (5900, 10393)]