215711020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2161}}^1$

素因数の和:2231

約数の個数: 96

約数和(自身を含む): 557899776

約数和(自身を除く): 342188756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 62, 70, 92, 115, 124, 140, 155, 161, 217, 230, 310, 322, 434, 460, 620, 644, 713, 805, 868, 1085, 1426, 1610, 2161, 2170, 2852, 3220, 3565, 4322, 4340, 4991, 7130, 8644, 9982, 10805, 14260, 15127, 19964, 21610, 24955, 30254, 43220, 49703, 49910, 60508, 66991, 75635, 99406, 99820, 133982, 151270, 198812, 248515, 267964, 302540, 334955, 347921, 468937, 497030, 669910, 695842, 937874, 994060, 1339820, 1391684, 1540793, 1739605, 1875748, 2344685, 3081586, 3479210, 4689370, 6163172, 6958420, 7703965, 9378740, 10785551, 15407930, 21571102, 30815860, 43142204, 53927755, 107855510, 215711020]

約数ペア:

[(1, 215711020), (2, 107855510), (4, 53927755), (5, 43142204), (7, 30815860), (10, 21571102), (14, 15407930), (20, 10785551), (23, 9378740), (28, 7703965), (31, 6958420), (35, 6163172), (46, 4689370), (62, 3479210), (70, 3081586), (92, 2344685), (115, 1875748), (124, 1739605), (140, 1540793), (155, 1391684), (161, 1339820), (217, 994060), (230, 937874), (310, 695842), (322, 669910), (434, 497030), (460, 468937), (620, 347921), (644, 334955), (713, 302540), (805, 267964), (868, 248515), (1085, 198812), (1426, 151270), (1610, 133982), (2161, 99820), (2170, 99406), (2852, 75635), (3220, 66991), (3565, 60508), (4322, 49910), (4340, 49703), (4991, 43220), (7130, 30254), (8644, 24955), (9982, 21610), (10805, 19964), (14260, 15127)]