245910204

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 679311360

約数和(自身を除く): 433401156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 47, 69, 71, 89, 92, 94, 138, 141, 142, 178, 188, 207, 213, 267, 276, 282, 284, 356, 414, 423, 426, 534, 564, 639, 801, 828, 846, 852, 1068, 1081, 1278, 1602, 1633, 1692, 2047, 2162, 2556, 3204, 3243, 3266, 3337, 4094, 4183, 4324, 4899, 6141, 6319, 6486, 6532, 6674, 8188, 8366, 9729, 9798, 10011, 12282, 12549, 12638, 12972, 13348, 14697, 16732, 18423, 18957, 19458, 19596, 20022, 24564, 25098, 25276, 29394, 30033, 36846, 37647, 37914, 38916, 40044, 50196, 56871, 58788, 60066, 73692, 75294, 75828, 76751, 96209, 113742, 120132, 145337, 150588, 153502, 192418, 227484, 230253, 288627, 290674, 296993, 307004, 384836, 436011, 460506, 577254, 581348, 593986, 690759, 865881, 872022, 890979, 921012, 1154508, 1187972, 1308033, 1381518, 1731762, 1744044, 1781958, 2616066, 2672937, 2763036, 3463524, 3563916, 5232132, 5345874, 6830839, 10691748, 13661678, 20492517, 27323356, 40985034, 61477551, 81970068, 122955102, 245910204]

約数ペア:

[(1, 245910204), (2, 122955102), (3, 81970068), (4, 61477551), (6, 40985034), (9, 27323356), (12, 20492517), (18, 13661678), (23, 10691748), (36, 6830839), (46, 5345874), (47, 5232132), (69, 3563916), (71, 3463524), (89, 2763036), (92, 2672937), (94, 2616066), (138, 1781958), (141, 1744044), (142, 1731762), (178, 1381518), (188, 1308033), (207, 1187972), (213, 1154508), (267, 921012), (276, 890979), (282, 872022), (284, 865881), (356, 690759), (414, 593986), (423, 581348), (426, 577254), (534, 460506), (564, 436011), (639, 384836), (801, 307004), (828, 296993), (846, 290674), (852, 288627), (1068, 230253), (1081, 227484), (1278, 192418), (1602, 153502), (1633, 150588), (1692, 145337), (2047, 120132), (2162, 113742), (2556, 96209), (3204, 76751), (3243, 75828), (3266, 75294), (3337, 73692), (4094, 60066), (4183, 58788), (4324, 56871), (4899, 50196), (6141, 40044), (6319, 38916), (6486, 37914), (6532, 37647), (6674, 36846), (8188, 30033), (8366, 29394), (9729, 25276), (9798, 25098), (10011, 24564), (12282, 20022), (12549, 19596), (12638, 19458), (12972, 18957), (13348, 18423), (14697, 16732)]