18689800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 48211200

約数和(自身を除く): 29521400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 25, 34, 40, 46, 50, 68, 85, 92, 100, 115, 136, 170, 184, 200, 230, 239, 340, 391, 425, 460, 478, 575, 680, 782, 850, 920, 956, 1150, 1195, 1564, 1700, 1912, 1955, 2300, 2390, 3128, 3400, 3910, 4063, 4600, 4780, 5497, 5975, 7820, 8126, 9560, 9775, 10994, 11950, 15640, 16252, 19550, 20315, 21988, 23900, 27485, 32504, 39100, 40630, 43976, 47800, 54970, 78200, 81260, 93449, 101575, 109940, 137425, 162520, 186898, 203150, 219880, 274850, 373796, 406300, 467245, 549700, 747592, 812600, 934490, 1099400, 1868980, 2336225, 3737960, 4672450, 9344900, 18689800]

約数ペア:

[(1, 18689800), (2, 9344900), (4, 4672450), (5, 3737960), (8, 2336225), (10, 1868980), (17, 1099400), (20, 934490), (23, 812600), (25, 747592), (34, 549700), (40, 467245), (46, 406300), (50, 373796), (68, 274850), (85, 219880), (92, 203150), (100, 186898), (115, 162520), (136, 137425), (170, 109940), (184, 101575), (200, 93449), (230, 81260), (239, 78200), (340, 54970), (391, 47800), (425, 43976), (460, 40630), (478, 39100), (575, 32504), (680, 27485), (782, 23900), (850, 21988), (920, 20315), (956, 19550), (1150, 16252), (1195, 15640), (1564, 11950), (1700, 10994), (1912, 9775), (1955, 9560), (2300, 8126), (2390, 7820), (3128, 5975), (3400, 5497), (3910, 4780), (4063, 4600)]