245821940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4357}}^1$

素因数の和:4417

約数の個数: 96

約数和(自身を含む): 656001024

約数和(自身を除く): 410179084

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 620, 806, 868, 910, 1085, 1612, 1820, 2015, 2170, 2821, 4030, 4340, 4357, 5642, 8060, 8714, 11284, 14105, 17428, 21785, 28210, 30499, 43570, 56420, 56641, 60998, 87140, 113282, 121996, 135067, 152495, 226564, 270134, 283205, 304990, 396487, 540268, 566410, 609980, 675335, 792974, 945469, 1132820, 1350670, 1585948, 1755871, 1890938, 1982435, 2701340, 3511742, 3781876, 3964870, 4727345, 7023484, 7929740, 8779355, 9454690, 12291097, 17558710, 18909380, 24582194, 35117420, 49164388, 61455485, 122910970, 245821940]

約数ペア:

[(1, 245821940), (2, 122910970), (4, 61455485), (5, 49164388), (7, 35117420), (10, 24582194), (13, 18909380), (14, 17558710), (20, 12291097), (26, 9454690), (28, 8779355), (31, 7929740), (35, 7023484), (52, 4727345), (62, 3964870), (65, 3781876), (70, 3511742), (91, 2701340), (124, 1982435), (130, 1890938), (140, 1755871), (155, 1585948), (182, 1350670), (217, 1132820), (260, 945469), (310, 792974), (364, 675335), (403, 609980), (434, 566410), (455, 540268), (620, 396487), (806, 304990), (868, 283205), (910, 270134), (1085, 226564), (1612, 152495), (1820, 135067), (2015, 121996), (2170, 113282), (2821, 87140), (4030, 60998), (4340, 56641), (4357, 56420), (5642, 43570), (8060, 30499), (8714, 28210), (11284, 21785), (14105, 17428)]