290791300

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^3\times {\mathrm{239}}^1$

素因数の和:322

約数の個数: 72

約数和(自身を含む): 662457600

約数和(自身を除く): 371666300

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 239, 460, 478, 529, 575, 956, 1058, 1150, 1195, 2116, 2300, 2390, 2645, 4780, 5290, 5497, 5975, 10580, 10994, 11950, 12167, 13225, 21988, 23900, 24334, 26450, 27485, 48668, 52900, 54970, 60835, 109940, 121670, 126431, 137425, 243340, 252862, 274850, 304175, 505724, 549700, 608350, 632155, 1216700, 1264310, 2528620, 2907913, 3160775, 5815826, 6321550, 11631652, 12643100, 14539565, 29079130, 58158260, 72697825, 145395650, 290791300]

約数ペア:

[(1, 290791300), (2, 145395650), (4, 72697825), (5, 58158260), (10, 29079130), (20, 14539565), (23, 12643100), (25, 11631652), (46, 6321550), (50, 5815826), (92, 3160775), (100, 2907913), (115, 2528620), (230, 1264310), (239, 1216700), (460, 632155), (478, 608350), (529, 549700), (575, 505724), (956, 304175), (1058, 274850), (1150, 252862), (1195, 243340), (2116, 137425), (2300, 126431), (2390, 121670), (2645, 109940), (4780, 60835), (5290, 54970), (5497, 52900), (5975, 48668), (10580, 27485), (10994, 26450), (11950, 24334), (12167, 23900), (13225, 21988)]