27936580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 71350272

約数和(自身を除く): 43413692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 41, 62, 70, 82, 124, 140, 155, 157, 164, 205, 217, 287, 310, 314, 410, 434, 574, 620, 628, 785, 820, 868, 1085, 1099, 1148, 1271, 1435, 1570, 2170, 2198, 2542, 2870, 3140, 4340, 4396, 4867, 5084, 5495, 5740, 6355, 6437, 8897, 9734, 10990, 12710, 12874, 17794, 19468, 21980, 24335, 25420, 25748, 32185, 34069, 35588, 44485, 45059, 48670, 64370, 68138, 88970, 90118, 97340, 128740, 136276, 170345, 177940, 180236, 199547, 225295, 340690, 399094, 450590, 681380, 798188, 901180, 997735, 1396829, 1995470, 2793658, 3990940, 5587316, 6984145, 13968290, 27936580]

約数ペア:

[(1, 27936580), (2, 13968290), (4, 6984145), (5, 5587316), (7, 3990940), (10, 2793658), (14, 1995470), (20, 1396829), (28, 997735), (31, 901180), (35, 798188), (41, 681380), (62, 450590), (70, 399094), (82, 340690), (124, 225295), (140, 199547), (155, 180236), (157, 177940), (164, 170345), (205, 136276), (217, 128740), (287, 97340), (310, 90118), (314, 88970), (410, 68138), (434, 64370), (574, 48670), (620, 45059), (628, 44485), (785, 35588), (820, 34069), (868, 32185), (1085, 25748), (1099, 25420), (1148, 24335), (1271, 21980), (1435, 19468), (1570, 17794), (2170, 12874), (2198, 12710), (2542, 10990), (2870, 9734), (3140, 8897), (4340, 6437), (4396, 6355), (4867, 5740), (5084, 5495)]