201665540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 459648000

約数和(自身を除く): 257982460

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 59, 62, 74, 118, 124, 148, 149, 155, 185, 236, 295, 298, 310, 370, 590, 596, 620, 740, 745, 1147, 1180, 1490, 1829, 2183, 2294, 2980, 3658, 4366, 4588, 4619, 5513, 5735, 7316, 8732, 8791, 9145, 9238, 10915, 11026, 11470, 17582, 18290, 18476, 21830, 22052, 22940, 23095, 27565, 35164, 36580, 43660, 43955, 46190, 55130, 67673, 87910, 92380, 110260, 135346, 170903, 175820, 270692, 272521, 325267, 338365, 341806, 545042, 650534, 676730, 683612, 854515, 1090084, 1301068, 1353460, 1362605, 1626335, 1709030, 2725210, 3252670, 3418060, 5450420, 6505340, 10083277, 20166554, 40333108, 50416385, 100832770, 201665540]

約数ペア:

[(1, 201665540), (2, 100832770), (4, 50416385), (5, 40333108), (10, 20166554), (20, 10083277), (31, 6505340), (37, 5450420), (59, 3418060), (62, 3252670), (74, 2725210), (118, 1709030), (124, 1626335), (148, 1362605), (149, 1353460), (155, 1301068), (185, 1090084), (236, 854515), (295, 683612), (298, 676730), (310, 650534), (370, 545042), (590, 341806), (596, 338365), (620, 325267), (740, 272521), (745, 270692), (1147, 175820), (1180, 170903), (1490, 135346), (1829, 110260), (2183, 92380), (2294, 87910), (2980, 67673), (3658, 55130), (4366, 46190), (4588, 43955), (4619, 43660), (5513, 36580), (5735, 35164), (7316, 27565), (8732, 23095), (8791, 22940), (9145, 22052), (9238, 21830), (10915, 18476), (11026, 18290), (11470, 17582)]