2489898796

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 5723877376

約数和(自身を除く): 3233978580

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 121, 124, 151, 154, 157, 217, 242, 302, 308, 314, 341, 434, 484, 604, 628, 682, 847, 868, 1057, 1099, 1364, 1661, 1694, 1727, 2114, 2198, 2387, 3322, 3388, 3454, 3751, 4228, 4396, 4681, 4774, 4867, 6644, 6908, 7502, 9362, 9548, 9734, 11627, 12089, 15004, 18271, 18724, 18997, 19468, 23254, 23707, 24178, 26257, 32767, 34069, 36542, 37994, 46508, 47414, 48356, 51491, 52514, 53537, 65534, 68138, 73084, 75988, 94828, 102982, 105028, 107074, 127897, 131068, 132979, 136276, 165949, 205964, 214148, 255794, 260777, 265958, 331898, 360437, 374759, 511588, 521554, 531916, 566401, 588907, 663796, 720874, 734917, 749518, 1043108, 1132802, 1177814, 1441748, 1469834, 1499036, 1825439, 2265604, 2355628, 2868547, 2939668, 3650878, 3964807, 4122349, 5144419, 5737094, 7301756, 7929614, 8084087, 8244698, 10288838, 11474188, 15859228, 16168174, 16489396, 20079829, 20577676, 32336348, 40159658, 56588609, 80319316, 88924957, 113177218, 177849914, 226354436, 355699828, 622474699, 1244949398, 2489898796]

約数ペア:

[(1, 2489898796), (2, 1244949398), (4, 622474699), (7, 355699828), (11, 226354436), (14, 177849914), (22, 113177218), (28, 88924957), (31, 80319316), (44, 56588609), (62, 40159658), (77, 32336348), (121, 20577676), (124, 20079829), (151, 16489396), (154, 16168174), (157, 15859228), (217, 11474188), (242, 10288838), (302, 8244698), (308, 8084087), (314, 7929614), (341, 7301756), (434, 5737094), (484, 5144419), (604, 4122349), (628, 3964807), (682, 3650878), (847, 2939668), (868, 2868547), (1057, 2355628), (1099, 2265604), (1364, 1825439), (1661, 1499036), (1694, 1469834), (1727, 1441748), (2114, 1177814), (2198, 1132802), (2387, 1043108), (3322, 749518), (3388, 734917), (3454, 720874), (3751, 663796), (4228, 588907), (4396, 566401), (4681, 531916), (4774, 521554), (4867, 511588), (6644, 374759), (6908, 360437), (7502, 331898), (9362, 265958), (9548, 260777), (9734, 255794), (11627, 214148), (12089, 205964), (15004, 165949), (18271, 136276), (18724, 132979), (18997, 131068), (19468, 127897), (23254, 107074), (23707, 105028), (24178, 102982), (26257, 94828), (32767, 75988), (34069, 73084), (36542, 68138), (37994, 65534), (46508, 53537), (47414, 52514), (48356, 51491)]