201485440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:490

約数の個数: 128

約数和(自身を含む): 528559920

約数和(自身を除く): 327074480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 104, 122, 128, 130, 160, 208, 244, 260, 305, 320, 397, 416, 488, 520, 610, 640, 793, 794, 832, 976, 1040, 1220, 1586, 1588, 1664, 1952, 1985, 2080, 2440, 3172, 3176, 3904, 3965, 3970, 4160, 4880, 5161, 6344, 6352, 7808, 7930, 7940, 8320, 9760, 10322, 12688, 12704, 15860, 15880, 19520, 20644, 24217, 25376, 25408, 25805, 31720, 31760, 39040, 41288, 48434, 50752, 50816, 51610, 63440, 63520, 82576, 96868, 101504, 103220, 121085, 126880, 127040, 165152, 193736, 206440, 242170, 253760, 254080, 314821, 330304, 387472, 412880, 484340, 507520, 629642, 660608, 774944, 825760, 968680, 1259284, 1549888, 1574105, 1651520, 1937360, 2518568, 3099776, 3148210, 3303040, 3874720, 5037136, 6296420, 7749440, 10074272, 12592840, 15498880, 20148544, 25185680, 40297088, 50371360, 100742720, 201485440]

約数ペア:

[(1, 201485440), (2, 100742720), (4, 50371360), (5, 40297088), (8, 25185680), (10, 20148544), (13, 15498880), (16, 12592840), (20, 10074272), (26, 7749440), (32, 6296420), (40, 5037136), (52, 3874720), (61, 3303040), (64, 3148210), (65, 3099776), (80, 2518568), (104, 1937360), (122, 1651520), (128, 1574105), (130, 1549888), (160, 1259284), (208, 968680), (244, 825760), (260, 774944), (305, 660608), (320, 629642), (397, 507520), (416, 484340), (488, 412880), (520, 387472), (610, 330304), (640, 314821), (793, 254080), (794, 253760), (832, 242170), (976, 206440), (1040, 193736), (1220, 165152), (1586, 127040), (1588, 126880), (1664, 121085), (1952, 103220), (1985, 101504), (2080, 96868), (2440, 82576), (3172, 63520), (3176, 63440), (3904, 51610), (3965, 50816), (3970, 50752), (4160, 48434), (4880, 41288), (5161, 39040), (6344, 31760), (6352, 31720), (7808, 25805), (7930, 25408), (7940, 25376), (8320, 24217), (9760, 20644), (10322, 19520), (12688, 15880), (12704, 15860)]