423408440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{397}}^1$

素因数の和:721

約数の個数: 128

約数和(自身を含む): 1179480960

約数和(自身を除く): 756072520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 293, 364, 397, 455, 520, 586, 728, 794, 910, 1172, 1465, 1588, 1820, 1985, 2051, 2344, 2779, 2930, 3176, 3640, 3809, 3970, 4102, 5161, 5558, 5860, 7618, 7940, 8204, 10255, 10322, 11116, 11720, 13895, 15236, 15880, 16408, 19045, 20510, 20644, 22232, 25805, 26663, 27790, 30472, 36127, 38090, 41020, 41288, 51610, 53326, 55580, 72254, 76180, 82040, 103220, 106652, 111160, 116321, 133315, 144508, 152360, 180635, 206440, 213304, 232642, 266630, 289016, 361270, 465284, 533260, 581605, 722540, 814247, 930568, 1066520, 1163210, 1445080, 1512173, 1628494, 2326420, 3024346, 3256988, 4071235, 4652840, 6048692, 6513976, 7560865, 8142470, 10585211, 12097384, 15121730, 16284940, 21170422, 30243460, 32569880, 42340844, 52926055, 60486920, 84681688, 105852110, 211704220, 423408440]

約数ペア:

[(1, 423408440), (2, 211704220), (4, 105852110), (5, 84681688), (7, 60486920), (8, 52926055), (10, 42340844), (13, 32569880), (14, 30243460), (20, 21170422), (26, 16284940), (28, 15121730), (35, 12097384), (40, 10585211), (52, 8142470), (56, 7560865), (65, 6513976), (70, 6048692), (91, 4652840), (104, 4071235), (130, 3256988), (140, 3024346), (182, 2326420), (260, 1628494), (280, 1512173), (293, 1445080), (364, 1163210), (397, 1066520), (455, 930568), (520, 814247), (586, 722540), (728, 581605), (794, 533260), (910, 465284), (1172, 361270), (1465, 289016), (1588, 266630), (1820, 232642), (1985, 213304), (2051, 206440), (2344, 180635), (2779, 152360), (2930, 144508), (3176, 133315), (3640, 116321), (3809, 111160), (3970, 106652), (4102, 103220), (5161, 82040), (5558, 76180), (5860, 72254), (7618, 55580), (7940, 53326), (8204, 51610), (10255, 41288), (10322, 41020), (11116, 38090), (11720, 36127), (13895, 30472), (15236, 27790), (15880, 26663), (16408, 25805), (19045, 22232), (20510, 20644)]