290400484

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1373}}^1$

素因数の和:1441

約数の個数: 72

約数和(自身を含む): 614013120

約数和(自身を除く): 323612636

約数列:

[1, 2, 4, 11, 19, 22, 23, 38, 44, 46, 76, 92, 121, 209, 242, 253, 418, 437, 484, 506, 836, 874, 1012, 1373, 1748, 2299, 2746, 2783, 4598, 4807, 5492, 5566, 9196, 9614, 11132, 15103, 19228, 26087, 30206, 31579, 52174, 52877, 60412, 63158, 104348, 105754, 126316, 166133, 211508, 286957, 332266, 347369, 573914, 600001, 664532, 694738, 1147828, 1200002, 1389476, 2400004, 3156527, 3821059, 6313054, 6600011, 7642118, 12626108, 13200022, 15284236, 26400044, 72600121, 145200242, 290400484]

約数ペア:

[(1, 290400484), (2, 145200242), (4, 72600121), (11, 26400044), (19, 15284236), (22, 13200022), (23, 12626108), (38, 7642118), (44, 6600011), (46, 6313054), (76, 3821059), (92, 3156527), (121, 2400004), (209, 1389476), (242, 1200002), (253, 1147828), (418, 694738), (437, 664532), (484, 600001), (506, 573914), (836, 347369), (874, 332266), (1012, 286957), (1373, 211508), (1748, 166133), (2299, 126316), (2746, 105754), (2783, 104348), (4598, 63158), (4807, 60412), (5492, 52877), (5566, 52174), (9196, 31579), (9614, 30206), (11132, 26087), (15103, 19228)]