31937290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 128

約数和(自身を含む): 78796800

約数和(自身を除く): 46859510

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 37, 38, 55, 59, 70, 74, 77, 95, 110, 118, 133, 154, 185, 190, 209, 259, 266, 295, 370, 385, 407, 413, 418, 518, 590, 649, 665, 703, 770, 814, 826, 1045, 1121, 1295, 1298, 1330, 1406, 1463, 2035, 2065, 2090, 2183, 2242, 2590, 2849, 2926, 3245, 3515, 4070, 4130, 4366, 4543, 4921, 5605, 5698, 6490, 7030, 7315, 7733, 7847, 9086, 9842, 10915, 11210, 12331, 14245, 14630, 15281, 15466, 15694, 21830, 22715, 24013, 24605, 24662, 28490, 30562, 38665, 39235, 41477, 45430, 48026, 49210, 54131, 61655, 76405, 77330, 78470, 82954, 86317, 108262, 120065, 123310, 152810, 168091, 172634, 207385, 240130, 270655, 290339, 336182, 414770, 431585, 456247, 541310, 580678, 840455, 863170, 912494, 1451695, 1680910, 2281235, 2903390, 3193729, 4562470, 6387458, 15968645, 31937290]

約数ペア:

[(1, 31937290), (2, 15968645), (5, 6387458), (7, 4562470), (10, 3193729), (11, 2903390), (14, 2281235), (19, 1680910), (22, 1451695), (35, 912494), (37, 863170), (38, 840455), (55, 580678), (59, 541310), (70, 456247), (74, 431585), (77, 414770), (95, 336182), (110, 290339), (118, 270655), (133, 240130), (154, 207385), (185, 172634), (190, 168091), (209, 152810), (259, 123310), (266, 120065), (295, 108262), (370, 86317), (385, 82954), (407, 78470), (413, 77330), (418, 76405), (518, 61655), (590, 54131), (649, 49210), (665, 48026), (703, 45430), (770, 41477), (814, 39235), (826, 38665), (1045, 30562), (1121, 28490), (1295, 24662), (1298, 24605), (1330, 24013), (1406, 22715), (1463, 21830), (2035, 15694), (2065, 15466), (2090, 15281), (2183, 14630), (2242, 14245), (2590, 12331), (2849, 11210), (2926, 10915), (3245, 9842), (3515, 9086), (4070, 7847), (4130, 7733), (4366, 7315), (4543, 7030), (4921, 6490), (5605, 5698)]