215500040

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:284

約数の個数: 128

約数和(自身を含む): 574560000

約数和(自身を除く): 359059960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 113, 139, 140, 196, 226, 245, 278, 280, 343, 392, 452, 490, 556, 565, 686, 695, 791, 904, 973, 980, 1112, 1130, 1372, 1390, 1582, 1715, 1946, 1960, 2260, 2744, 2780, 3164, 3430, 3892, 3955, 4520, 4865, 5537, 5560, 6328, 6811, 6860, 7784, 7910, 9730, 11074, 13622, 13720, 15707, 15820, 19460, 22148, 27244, 27685, 31414, 31640, 34055, 38759, 38920, 44296, 47677, 54488, 55370, 62828, 68110, 77518, 78535, 95354, 109949, 110740, 125656, 136220, 155036, 157070, 190708, 193795, 219898, 221480, 238385, 272440, 310072, 314140, 381416, 387590, 439796, 476770, 549745, 628280, 769643, 775180, 879592, 953540, 1099490, 1539286, 1550360, 1907080, 2198980, 3078572, 3848215, 4397960, 5387501, 6157144, 7696430, 10775002, 15392860, 21550004, 26937505, 30785720, 43100008, 53875010, 107750020, 215500040]

約数ペア:

[(1, 215500040), (2, 107750020), (4, 53875010), (5, 43100008), (7, 30785720), (8, 26937505), (10, 21550004), (14, 15392860), (20, 10775002), (28, 7696430), (35, 6157144), (40, 5387501), (49, 4397960), (56, 3848215), (70, 3078572), (98, 2198980), (113, 1907080), (139, 1550360), (140, 1539286), (196, 1099490), (226, 953540), (245, 879592), (278, 775180), (280, 769643), (343, 628280), (392, 549745), (452, 476770), (490, 439796), (556, 387590), (565, 381416), (686, 314140), (695, 310072), (791, 272440), (904, 238385), (973, 221480), (980, 219898), (1112, 193795), (1130, 190708), (1372, 157070), (1390, 155036), (1582, 136220), (1715, 125656), (1946, 110740), (1960, 109949), (2260, 95354), (2744, 78535), (2780, 77518), (3164, 68110), (3430, 62828), (3892, 55370), (3955, 54488), (4520, 47677), (4865, 44296), (5537, 38920), (5560, 38759), (6328, 34055), (6811, 31640), (6860, 31414), (7784, 27685), (7910, 27244), (9730, 22148), (11074, 19460), (13622, 15820), (13720, 15707)]