2490228

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 7200648

約数和(自身を除く): 4710420

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 313, 442, 468, 612, 626, 663, 884, 939, 1252, 1326, 1878, 1989, 2652, 2817, 3756, 3978, 4069, 5321, 5634, 7956, 8138, 10642, 11268, 12207, 15963, 16276, 21284, 24414, 31926, 36621, 47889, 48828, 63852, 69173, 73242, 95778, 138346, 146484, 191556, 207519, 276692, 415038, 622557, 830076, 1245114, 2490228]

約数ペア:

[(1, 2490228), (2, 1245114), (3, 830076), (4, 622557), (6, 415038), (9, 276692), (12, 207519), (13, 191556), (17, 146484), (18, 138346), (26, 95778), (34, 73242), (36, 69173), (39, 63852), (51, 48828), (52, 47889), (68, 36621), (78, 31926), (102, 24414), (117, 21284), (153, 16276), (156, 15963), (204, 12207), (221, 11268), (234, 10642), (306, 8138), (313, 7956), (442, 5634), (468, 5321), (612, 4069), (626, 3978), (663, 3756), (884, 2817), (939, 2652), (1252, 1989), (1326, 1878)]