258234340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:282

約数の個数: 192

約数和(自身を含む): 722534400

約数和(自身を除く): 464300060

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 31, 35, 46, 52, 62, 65, 70, 91, 92, 115, 124, 130, 140, 155, 161, 182, 199, 217, 230, 260, 299, 310, 322, 364, 398, 403, 434, 455, 460, 598, 620, 644, 713, 796, 805, 806, 868, 910, 995, 1085, 1196, 1393, 1426, 1495, 1610, 1612, 1820, 1990, 2015, 2093, 2170, 2587, 2786, 2821, 2852, 2990, 3220, 3565, 3980, 4030, 4186, 4340, 4577, 4991, 5174, 5572, 5642, 5980, 6169, 6965, 7130, 8060, 8372, 9154, 9269, 9982, 10348, 10465, 11284, 12338, 12935, 13930, 14105, 14260, 18109, 18308, 18538, 19964, 20930, 22885, 24676, 24955, 25870, 27860, 28210, 30845, 32039, 36218, 37076, 41860, 43183, 45770, 46345, 49910, 51740, 56420, 59501, 61690, 64078, 64883, 72436, 80197, 86366, 90545, 91540, 92690, 99820, 119002, 123380, 128156, 129766, 141887, 160195, 160394, 172732, 181090, 185380, 215915, 238004, 259532, 283774, 297505, 320390, 320788, 324415, 362180, 400985, 416507, 431830, 561379, 567548, 595010, 640780, 648830, 709435, 801970, 833014, 863660, 993209, 1122758, 1190020, 1297660, 1418870, 1603940, 1666028, 1844531, 1986418, 2082535, 2245516, 2806895, 2837740, 3689062, 3972836, 4165070, 4966045, 5613790, 7378124, 8330140, 9222655, 9932090, 11227580, 12911717, 18445310, 19864180, 25823434, 36890620, 51646868, 64558585, 129117170, 258234340]

約数ペア:

[(1, 258234340), (2, 129117170), (4, 64558585), (5, 51646868), (7, 36890620), (10, 25823434), (13, 19864180), (14, 18445310), (20, 12911717), (23, 11227580), (26, 9932090), (28, 9222655), (31, 8330140), (35, 7378124), (46, 5613790), (52, 4966045), (62, 4165070), (65, 3972836), (70, 3689062), (91, 2837740), (92, 2806895), (115, 2245516), (124, 2082535), (130, 1986418), (140, 1844531), (155, 1666028), (161, 1603940), (182, 1418870), (199, 1297660), (217, 1190020), (230, 1122758), (260, 993209), (299, 863660), (310, 833014), (322, 801970), (364, 709435), (398, 648830), (403, 640780), (434, 595010), (455, 567548), (460, 561379), (598, 431830), (620, 416507), (644, 400985), (713, 362180), (796, 324415), (805, 320788), (806, 320390), (868, 297505), (910, 283774), (995, 259532), (1085, 238004), (1196, 215915), (1393, 185380), (1426, 181090), (1495, 172732), (1610, 160394), (1612, 160195), (1820, 141887), (1990, 129766), (2015, 128156), (2093, 123380), (2170, 119002), (2587, 99820), (2786, 92690), (2821, 91540), (2852, 90545), (2990, 86366), (3220, 80197), (3565, 72436), (3980, 64883), (4030, 64078), (4186, 61690), (4340, 59501), (4577, 56420), (4991, 51740), (5174, 49910), (5572, 46345), (5642, 45770), (5980, 43183), (6169, 41860), (6965, 37076), (7130, 36218), (8060, 32039), (8372, 30845), (9154, 28210), (9269, 27860), (9982, 25870), (10348, 24955), (10465, 24676), (11284, 22885), (12338, 20930), (12935, 19964), (13930, 18538), (14105, 18308), (14260, 18109)]