2000207760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{490247}}^1$

素因数の和:490280

約数の個数: 80

約数和(自身を含む): 6565401216

約数和(自身を除く): 4565193456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 490247, 980494, 1470741, 1960988, 2451235, 2941482, 3921976, 4902470, 5882964, 7353705, 7843952, 8334199, 9804940, 11765928, 14707410, 16668398, 19609880, 23531856, 25002597, 29414820, 33336796, 39219760, 41670995, 50005194, 58829640, 66673592, 83341990, 100010388, 117659280, 125012985, 133347184, 166683980, 200020776, 250025970, 333367960, 400041552, 500051940, 666735920, 1000103880, 2000207760]

約数ペア:

[(1, 2000207760), (2, 1000103880), (3, 666735920), (4, 500051940), (5, 400041552), (6, 333367960), (8, 250025970), (10, 200020776), (12, 166683980), (15, 133347184), (16, 125012985), (17, 117659280), (20, 100010388), (24, 83341990), (30, 66673592), (34, 58829640), (40, 50005194), (48, 41670995), (51, 39219760), (60, 33336796), (68, 29414820), (80, 25002597), (85, 23531856), (102, 19609880), (120, 16668398), (136, 14707410), (170, 11765928), (204, 9804940), (240, 8334199), (255, 7843952), (272, 7353705), (340, 5882964), (408, 4902470), (510, 3921976), (680, 2941482), (816, 2451235), (1020, 1960988), (1360, 1470741), (2040, 980494), (4080, 490247)]