391223560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4673}}^1$

素因数の和:4727

約数の個数: 128

約数和(自身を含む): 1130734080

約数和(自身を除く): 739510520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 455, 460, 520, 598, 644, 728, 805, 910, 920, 1196, 1288, 1495, 1610, 1820, 2093, 2392, 2990, 3220, 3640, 4186, 4673, 5980, 6440, 8372, 9346, 10465, 11960, 16744, 18692, 20930, 23365, 32711, 37384, 41860, 46730, 60749, 65422, 83720, 93460, 107479, 121498, 130844, 163555, 186920, 214958, 242996, 261688, 303745, 327110, 425243, 429916, 485992, 537395, 607490, 654220, 752353, 850486, 859832, 1074790, 1214980, 1308440, 1397227, 1504706, 1700972, 2126215, 2149580, 2429960, 2794454, 3009412, 3401944, 3761765, 4252430, 4299160, 5588908, 6018824, 6986135, 7523530, 8504860, 9780589, 11177816, 13972270, 15047060, 17009720, 19561178, 27944540, 30094120, 39122356, 48902945, 55889080, 78244712, 97805890, 195611780, 391223560]

約数ペア:

[(1, 391223560), (2, 195611780), (4, 97805890), (5, 78244712), (7, 55889080), (8, 48902945), (10, 39122356), (13, 30094120), (14, 27944540), (20, 19561178), (23, 17009720), (26, 15047060), (28, 13972270), (35, 11177816), (40, 9780589), (46, 8504860), (52, 7523530), (56, 6986135), (65, 6018824), (70, 5588908), (91, 4299160), (92, 4252430), (104, 3761765), (115, 3401944), (130, 3009412), (140, 2794454), (161, 2429960), (182, 2149580), (184, 2126215), (230, 1700972), (260, 1504706), (280, 1397227), (299, 1308440), (322, 1214980), (364, 1074790), (455, 859832), (460, 850486), (520, 752353), (598, 654220), (644, 607490), (728, 537395), (805, 485992), (910, 429916), (920, 425243), (1196, 327110), (1288, 303745), (1495, 261688), (1610, 242996), (1820, 214958), (2093, 186920), (2392, 163555), (2990, 130844), (3220, 121498), (3640, 107479), (4186, 93460), (4673, 83720), (5980, 65422), (6440, 60749), (8372, 46730), (9346, 41860), (10465, 37384), (11960, 32711), (16744, 23365), (18692, 20930)]