254131308

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{4703}}^1$

素因数の和:4811

約数の個数: 72

約数和(自身を含む): 684902400

約数和(自身を除く): 430771092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 79, 114, 158, 171, 228, 237, 316, 342, 474, 684, 711, 948, 1422, 1501, 2844, 3002, 4503, 4703, 6004, 9006, 9406, 13509, 14109, 18012, 18812, 27018, 28218, 42327, 54036, 56436, 84654, 89357, 169308, 178714, 268071, 357428, 371537, 536142, 743074, 804213, 1072284, 1114611, 1486148, 1608426, 2229222, 3216852, 3343833, 4458444, 6687666, 7059203, 13375332, 14118406, 21177609, 28236812, 42355218, 63532827, 84710436, 127065654, 254131308]

約数ペア:

[(1, 254131308), (2, 127065654), (3, 84710436), (4, 63532827), (6, 42355218), (9, 28236812), (12, 21177609), (18, 14118406), (19, 13375332), (36, 7059203), (38, 6687666), (57, 4458444), (76, 3343833), (79, 3216852), (114, 2229222), (158, 1608426), (171, 1486148), (228, 1114611), (237, 1072284), (316, 804213), (342, 743074), (474, 536142), (684, 371537), (711, 357428), (948, 268071), (1422, 178714), (1501, 169308), (2844, 89357), (3002, 84654), (4503, 56436), (4703, 54036), (6004, 42327), (9006, 28218), (9406, 27018), (13509, 18812), (14109, 18012)]