306082420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 781861248

約数和(自身を除く): 475778828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 71, 83, 98, 106, 140, 142, 166, 196, 212, 245, 265, 284, 332, 355, 371, 415, 490, 497, 530, 581, 710, 742, 830, 980, 994, 1060, 1162, 1420, 1484, 1660, 1855, 1988, 2324, 2485, 2597, 2905, 3479, 3710, 3763, 4067, 4399, 4970, 5194, 5810, 5893, 6958, 7420, 7526, 8134, 8798, 9940, 10388, 11620, 11786, 12985, 13916, 15052, 16268, 17395, 17596, 18815, 20335, 21995, 23572, 25970, 26341, 29465, 30793, 34790, 37630, 40670, 41251, 43990, 51940, 52682, 58930, 61586, 69580, 75260, 81340, 82502, 87980, 105364, 117860, 123172, 131705, 153965, 165004, 184387, 206255, 215551, 263410, 288757, 307930, 312329, 368774, 412510, 431102, 526820, 577514, 615860, 624658, 737548, 825020, 862204, 921935, 1077755, 1155028, 1249316, 1443785, 1561645, 1843870, 2155510, 2186303, 2887570, 3123290, 3687740, 4311020, 4372606, 5775140, 6246580, 8745212, 10931515, 15304121, 21863030, 30608242, 43726060, 61216484, 76520605, 153041210, 306082420]

約数ペア:

[(1, 306082420), (2, 153041210), (4, 76520605), (5, 61216484), (7, 43726060), (10, 30608242), (14, 21863030), (20, 15304121), (28, 10931515), (35, 8745212), (49, 6246580), (53, 5775140), (70, 4372606), (71, 4311020), (83, 3687740), (98, 3123290), (106, 2887570), (140, 2186303), (142, 2155510), (166, 1843870), (196, 1561645), (212, 1443785), (245, 1249316), (265, 1155028), (284, 1077755), (332, 921935), (355, 862204), (371, 825020), (415, 737548), (490, 624658), (497, 615860), (530, 577514), (581, 526820), (710, 431102), (742, 412510), (830, 368774), (980, 312329), (994, 307930), (1060, 288757), (1162, 263410), (1420, 215551), (1484, 206255), (1660, 184387), (1855, 165004), (1988, 153965), (2324, 131705), (2485, 123172), (2597, 117860), (2905, 105364), (3479, 87980), (3710, 82502), (3763, 81340), (4067, 75260), (4399, 69580), (4970, 61586), (5194, 58930), (5810, 52682), (5893, 51940), (6958, 43990), (7420, 41251), (7526, 40670), (8134, 37630), (8798, 34790), (9940, 30793), (10388, 29465), (11620, 26341), (11786, 25970), (12985, 23572), (13916, 21995), (15052, 20335), (16268, 18815), (17395, 17596)]