280403064

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{204973}}^1$

素因数の和:205004

約数の個数: 48

約数和(自身を含む): 799398600

約数和(自身を除く): 518995536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 204973, 409946, 614919, 819892, 1229838, 1639784, 1844757, 2459676, 3689514, 3894487, 4919352, 7379028, 7788974, 11683461, 14758056, 15577948, 23366922, 31155896, 35050383, 46733844, 70100766, 93467688, 140201532, 280403064]

約数ペア:

[(1, 280403064), (2, 140201532), (3, 93467688), (4, 70100766), (6, 46733844), (8, 35050383), (9, 31155896), (12, 23366922), (18, 15577948), (19, 14758056), (24, 11683461), (36, 7788974), (38, 7379028), (57, 4919352), (72, 3894487), (76, 3689514), (114, 2459676), (152, 1844757), (171, 1639784), (228, 1229838), (342, 819892), (456, 614919), (684, 409946), (1368, 204973)]