13721800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 35265600

約数和(自身を除く): 21543800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 25, 38, 40, 46, 50, 76, 92, 95, 100, 115, 152, 157, 184, 190, 200, 230, 314, 380, 437, 460, 475, 575, 628, 760, 785, 874, 920, 950, 1150, 1256, 1570, 1748, 1900, 2185, 2300, 2983, 3140, 3496, 3611, 3800, 3925, 4370, 4600, 5966, 6280, 7222, 7850, 8740, 10925, 11932, 14444, 14915, 15700, 17480, 18055, 21850, 23864, 28888, 29830, 31400, 36110, 43700, 59660, 68609, 72220, 74575, 87400, 90275, 119320, 137218, 144440, 149150, 180550, 274436, 298300, 343045, 361100, 548872, 596600, 686090, 722200, 1372180, 1715225, 2744360, 3430450, 6860900, 13721800]

約数ペア:

[(1, 13721800), (2, 6860900), (4, 3430450), (5, 2744360), (8, 1715225), (10, 1372180), (19, 722200), (20, 686090), (23, 596600), (25, 548872), (38, 361100), (40, 343045), (46, 298300), (50, 274436), (76, 180550), (92, 149150), (95, 144440), (100, 137218), (115, 119320), (152, 90275), (157, 87400), (184, 74575), (190, 72220), (200, 68609), (230, 59660), (314, 43700), (380, 36110), (437, 31400), (460, 29830), (475, 28888), (575, 23864), (628, 21850), (760, 18055), (785, 17480), (874, 15700), (920, 14915), (950, 14444), (1150, 11932), (1256, 10925), (1570, 8740), (1748, 7850), (1900, 7222), (2185, 6280), (2300, 5966), (2983, 4600), (3140, 4370), (3496, 3925), (3611, 3800)]