28550820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1217}}^1$

素因数の和:1269

約数の個数: 96

約数和(自身を含む): 88397568

約数和(自身を除く): 59846748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 23, 30, 34, 46, 51, 60, 68, 69, 85, 92, 102, 115, 138, 170, 204, 230, 255, 276, 340, 345, 391, 460, 510, 690, 782, 1020, 1173, 1217, 1380, 1564, 1955, 2346, 2434, 3651, 3910, 4692, 4868, 5865, 6085, 7302, 7820, 11730, 12170, 14604, 18255, 20689, 23460, 24340, 27991, 36510, 41378, 55982, 62067, 73020, 82756, 83973, 103445, 111964, 124134, 139955, 167946, 206890, 248268, 279910, 310335, 335892, 413780, 419865, 475847, 559820, 620670, 839730, 951694, 1241340, 1427541, 1679460, 1903388, 2379235, 2855082, 4758470, 5710164, 7137705, 9516940, 14275410, 28550820]

約数ペア:

[(1, 28550820), (2, 14275410), (3, 9516940), (4, 7137705), (5, 5710164), (6, 4758470), (10, 2855082), (12, 2379235), (15, 1903388), (17, 1679460), (20, 1427541), (23, 1241340), (30, 951694), (34, 839730), (46, 620670), (51, 559820), (60, 475847), (68, 419865), (69, 413780), (85, 335892), (92, 310335), (102, 279910), (115, 248268), (138, 206890), (170, 167946), (204, 139955), (230, 124134), (255, 111964), (276, 103445), (340, 83973), (345, 82756), (391, 73020), (460, 62067), (510, 55982), (690, 41378), (782, 36510), (1020, 27991), (1173, 24340), (1217, 23460), (1380, 20689), (1564, 18255), (1955, 14604), (2346, 12170), (2434, 11730), (3651, 7820), (3910, 7302), (4692, 6085), (4868, 5865)]