28990580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 69672960

約数和(自身を除く): 40682380

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 31, 38, 46, 62, 76, 92, 95, 107, 115, 124, 155, 190, 214, 230, 310, 380, 428, 437, 460, 535, 589, 620, 713, 874, 1070, 1178, 1426, 1748, 2033, 2140, 2185, 2356, 2461, 2852, 2945, 3317, 3565, 4066, 4370, 4922, 5890, 6634, 7130, 8132, 8740, 9844, 10165, 11780, 12305, 13268, 13547, 14260, 16585, 20330, 24610, 27094, 33170, 40660, 46759, 49220, 54188, 63023, 66340, 67735, 76291, 93518, 126046, 135470, 152582, 187036, 233795, 252092, 270940, 305164, 315115, 381455, 467590, 630230, 762910, 935180, 1260460, 1449529, 1525820, 2899058, 5798116, 7247645, 14495290, 28990580]

約数ペア:

[(1, 28990580), (2, 14495290), (4, 7247645), (5, 5798116), (10, 2899058), (19, 1525820), (20, 1449529), (23, 1260460), (31, 935180), (38, 762910), (46, 630230), (62, 467590), (76, 381455), (92, 315115), (95, 305164), (107, 270940), (115, 252092), (124, 233795), (155, 187036), (190, 152582), (214, 135470), (230, 126046), (310, 93518), (380, 76291), (428, 67735), (437, 66340), (460, 63023), (535, 54188), (589, 49220), (620, 46759), (713, 40660), (874, 33170), (1070, 27094), (1178, 24610), (1426, 20330), (1748, 16585), (2033, 14260), (2140, 13547), (2185, 13268), (2356, 12305), (2461, 11780), (2852, 10165), (2945, 9844), (3317, 8740), (3565, 8132), (4066, 7130), (4370, 6634), (4922, 5890)]