402449640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{887}}^1$

素因数の和:1119

約数の個数: 128

約数和(自身を含む): 1278720000

約数和(自身を除く): 876270360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 199, 228, 285, 380, 398, 456, 570, 597, 760, 796, 887, 995, 1140, 1194, 1592, 1774, 1990, 2280, 2388, 2661, 2985, 3548, 3781, 3980, 4435, 4776, 5322, 5970, 7096, 7562, 7960, 8870, 10644, 11343, 11940, 13305, 15124, 16853, 17740, 18905, 21288, 22686, 23880, 26610, 30248, 33706, 35480, 37810, 45372, 50559, 53220, 56715, 67412, 75620, 84265, 90744, 101118, 106440, 113430, 134824, 151240, 168530, 176513, 202236, 226860, 252795, 337060, 353026, 404472, 453720, 505590, 529539, 674120, 706052, 882565, 1011180, 1059078, 1412104, 1765130, 2022360, 2118156, 2647695, 3353747, 3530260, 4236312, 5295390, 6707494, 7060520, 10061241, 10590780, 13414988, 16768735, 20122482, 21181560, 26829976, 33537470, 40244964, 50306205, 67074940, 80489928, 100612410, 134149880, 201224820, 402449640]

約数ペア:

[(1, 402449640), (2, 201224820), (3, 134149880), (4, 100612410), (5, 80489928), (6, 67074940), (8, 50306205), (10, 40244964), (12, 33537470), (15, 26829976), (19, 21181560), (20, 20122482), (24, 16768735), (30, 13414988), (38, 10590780), (40, 10061241), (57, 7060520), (60, 6707494), (76, 5295390), (95, 4236312), (114, 3530260), (120, 3353747), (152, 2647695), (190, 2118156), (199, 2022360), (228, 1765130), (285, 1412104), (380, 1059078), (398, 1011180), (456, 882565), (570, 706052), (597, 674120), (760, 529539), (796, 505590), (887, 453720), (995, 404472), (1140, 353026), (1194, 337060), (1592, 252795), (1774, 226860), (1990, 202236), (2280, 176513), (2388, 168530), (2661, 151240), (2985, 134824), (3548, 113430), (3781, 106440), (3980, 101118), (4435, 90744), (4776, 84265), (5322, 75620), (5970, 67412), (7096, 56715), (7562, 53220), (7960, 50559), (8870, 45372), (10644, 37810), (11343, 35480), (11940, 33706), (13305, 30248), (15124, 26610), (16853, 23880), (17740, 22686), (18905, 21288)]