28402240

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:284

約数の個数: 112

約数和(自身を含む): 75053952

約数和(自身を除く): 46651712

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 64, 68, 80, 85, 92, 115, 136, 160, 170, 184, 227, 230, 272, 320, 340, 368, 391, 454, 460, 544, 680, 736, 782, 908, 920, 1088, 1135, 1360, 1472, 1564, 1816, 1840, 1955, 2270, 2720, 3128, 3632, 3680, 3859, 3910, 4540, 5221, 5440, 6256, 7264, 7360, 7718, 7820, 9080, 10442, 12512, 14528, 15436, 15640, 18160, 19295, 20884, 25024, 26105, 30872, 31280, 36320, 38590, 41768, 52210, 61744, 62560, 72640, 77180, 83536, 88757, 104420, 123488, 125120, 154360, 167072, 177514, 208840, 246976, 308720, 334144, 355028, 417680, 443785, 617440, 710056, 835360, 887570, 1234880, 1420112, 1670720, 1775140, 2840224, 3550280, 5680448, 7100560, 14201120, 28402240]

約数ペア:

[(1, 28402240), (2, 14201120), (4, 7100560), (5, 5680448), (8, 3550280), (10, 2840224), (16, 1775140), (17, 1670720), (20, 1420112), (23, 1234880), (32, 887570), (34, 835360), (40, 710056), (46, 617440), (64, 443785), (68, 417680), (80, 355028), (85, 334144), (92, 308720), (115, 246976), (136, 208840), (160, 177514), (170, 167072), (184, 154360), (227, 125120), (230, 123488), (272, 104420), (320, 88757), (340, 83536), (368, 77180), (391, 72640), (454, 62560), (460, 61744), (544, 52210), (680, 41768), (736, 38590), (782, 36320), (908, 31280), (920, 30872), (1088, 26105), (1135, 25024), (1360, 20884), (1472, 19295), (1564, 18160), (1816, 15640), (1840, 15436), (1955, 14528), (2270, 12512), (2720, 10442), (3128, 9080), (3632, 7820), (3680, 7718), (3859, 7360), (3910, 7264), (4540, 6256), (5221, 5440)]