243244820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:410

約数の個数: 144

約数和(自身を含む): 652489488

約数和(自身を除く): 409244668

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 61, 65, 70, 91, 98, 122, 130, 140, 182, 196, 244, 245, 260, 305, 313, 364, 427, 455, 490, 610, 626, 637, 793, 854, 910, 980, 1220, 1252, 1274, 1565, 1586, 1708, 1820, 2135, 2191, 2548, 2989, 3130, 3172, 3185, 3965, 4069, 4270, 4382, 5551, 5978, 6260, 6370, 7930, 8138, 8540, 8764, 10955, 11102, 11956, 12740, 14945, 15337, 15860, 16276, 19093, 20345, 21910, 22204, 27755, 28483, 29890, 30674, 38186, 38857, 40690, 43820, 55510, 56966, 59780, 61348, 76372, 76685, 77714, 81380, 95465, 111020, 113932, 133651, 142415, 153370, 155428, 190930, 194285, 199381, 248209, 267302, 284830, 306740, 381860, 388570, 398762, 496418, 534604, 569660, 668255, 777140, 797524, 935557, 992836, 996905, 1241045, 1336510, 1737463, 1871114, 1993810, 2482090, 2673020, 3474926, 3742228, 3987620, 4677785, 4964180, 6949852, 8687315, 9355570, 12162241, 17374630, 18711140, 24324482, 34749260, 48648964, 60811205, 121622410, 243244820]

約数ペア:

[(1, 243244820), (2, 121622410), (4, 60811205), (5, 48648964), (7, 34749260), (10, 24324482), (13, 18711140), (14, 17374630), (20, 12162241), (26, 9355570), (28, 8687315), (35, 6949852), (49, 4964180), (52, 4677785), (61, 3987620), (65, 3742228), (70, 3474926), (91, 2673020), (98, 2482090), (122, 1993810), (130, 1871114), (140, 1737463), (182, 1336510), (196, 1241045), (244, 996905), (245, 992836), (260, 935557), (305, 797524), (313, 777140), (364, 668255), (427, 569660), (455, 534604), (490, 496418), (610, 398762), (626, 388570), (637, 381860), (793, 306740), (854, 284830), (910, 267302), (980, 248209), (1220, 199381), (1252, 194285), (1274, 190930), (1565, 155428), (1586, 153370), (1708, 142415), (1820, 133651), (2135, 113932), (2191, 111020), (2548, 95465), (2989, 81380), (3130, 77714), (3172, 76685), (3185, 76372), (3965, 61348), (4069, 59780), (4270, 56966), (4382, 55510), (5551, 43820), (5978, 40690), (6260, 38857), (6370, 38186), (7930, 30674), (8138, 29890), (8540, 28483), (8764, 27755), (10955, 22204), (11102, 21910), (11956, 20345), (12740, 19093), (14945, 16276), (15337, 15860)]