194923620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:474

約数の個数: 144

約数和(自身を含む): 622702080

約数和(自身を除く): 427778460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 197, 207, 230, 239, 276, 345, 394, 414, 460, 478, 591, 690, 717, 788, 828, 956, 985, 1035, 1182, 1195, 1380, 1434, 1773, 1970, 2070, 2151, 2364, 2390, 2868, 2955, 3546, 3585, 3940, 4140, 4302, 4531, 4780, 5497, 5910, 7092, 7170, 8604, 8865, 9062, 10755, 10994, 11820, 13593, 14340, 16491, 17730, 18124, 21510, 21988, 22655, 27186, 27485, 32982, 35460, 40779, 43020, 45310, 47083, 49473, 54372, 54970, 65964, 67965, 81558, 82455, 90620, 94166, 98946, 109940, 135930, 141249, 163116, 164910, 188332, 197892, 203895, 235415, 247365, 271860, 282498, 329820, 407790, 423747, 470830, 494730, 564996, 706245, 815580, 847494, 941660, 989460, 1082909, 1412490, 1694988, 2118735, 2165818, 2824980, 3248727, 4237470, 4331636, 5414545, 6497454, 8474940, 9746181, 10829090, 12994908, 16243635, 19492362, 21658180, 32487270, 38984724, 48730905, 64974540, 97461810, 194923620]

約数ペア:

[(1, 194923620), (2, 97461810), (3, 64974540), (4, 48730905), (5, 38984724), (6, 32487270), (9, 21658180), (10, 19492362), (12, 16243635), (15, 12994908), (18, 10829090), (20, 9746181), (23, 8474940), (30, 6497454), (36, 5414545), (45, 4331636), (46, 4237470), (60, 3248727), (69, 2824980), (90, 2165818), (92, 2118735), (115, 1694988), (138, 1412490), (180, 1082909), (197, 989460), (207, 941660), (230, 847494), (239, 815580), (276, 706245), (345, 564996), (394, 494730), (414, 470830), (460, 423747), (478, 407790), (591, 329820), (690, 282498), (717, 271860), (788, 247365), (828, 235415), (956, 203895), (985, 197892), (1035, 188332), (1182, 164910), (1195, 163116), (1380, 141249), (1434, 135930), (1773, 109940), (1970, 98946), (2070, 94166), (2151, 90620), (2364, 82455), (2390, 81558), (2868, 67965), (2955, 65964), (3546, 54970), (3585, 54372), (3940, 49473), (4140, 47083), (4302, 45310), (4531, 43020), (4780, 40779), (5497, 35460), (5910, 32982), (7092, 27485), (7170, 27186), (8604, 22655), (8865, 21988), (9062, 21510), (10755, 18124), (10994, 17730), (11820, 16491), (13593, 14340)]