828123050

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^2\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:428

約数の個数: 72

約数和(自身を含む): 1629270720

約数和(自身を除く): 801147670

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 131, 230, 239, 262, 478, 529, 575, 655, 1058, 1150, 1195, 1310, 2390, 2645, 3013, 3275, 5290, 5497, 5975, 6026, 6550, 10994, 11950, 13225, 15065, 26450, 27485, 30130, 31309, 54970, 62618, 69299, 75325, 126431, 137425, 138598, 150650, 156545, 252862, 274850, 313090, 346495, 632155, 692990, 720107, 782725, 1264310, 1440214, 1565450, 1732475, 3160775, 3464950, 3600535, 6321550, 7201070, 16562461, 18002675, 33124922, 36005350, 82812305, 165624610, 414061525, 828123050]

約数ペア:

[(1, 828123050), (2, 414061525), (5, 165624610), (10, 82812305), (23, 36005350), (25, 33124922), (46, 18002675), (50, 16562461), (115, 7201070), (131, 6321550), (230, 3600535), (239, 3464950), (262, 3160775), (478, 1732475), (529, 1565450), (575, 1440214), (655, 1264310), (1058, 782725), (1150, 720107), (1195, 692990), (1310, 632155), (2390, 346495), (2645, 313090), (3013, 274850), (3275, 252862), (5290, 156545), (5497, 150650), (5975, 138598), (6026, 137425), (6550, 126431), (10994, 75325), (11950, 69299), (13225, 62618), (15065, 54970), (26450, 31309), (27485, 30130)]