201945660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:636

約数の個数: 144

約数和(自身を含む): 663616800

約数和(自身を除く): 461671140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 149, 196, 210, 245, 294, 298, 420, 447, 461, 490, 588, 596, 735, 745, 894, 922, 980, 1043, 1383, 1470, 1490, 1788, 1844, 2086, 2235, 2305, 2766, 2940, 2980, 3129, 3227, 4172, 4470, 4610, 5215, 5532, 6258, 6454, 6915, 7301, 8940, 9220, 9681, 10430, 12516, 12908, 13830, 14602, 15645, 16135, 19362, 20860, 21903, 22589, 27660, 29204, 31290, 32270, 36505, 38724, 43806, 45178, 48405, 62580, 64540, 67767, 68689, 73010, 87612, 90356, 96810, 109515, 112945, 135534, 137378, 146020, 193620, 206067, 219030, 225890, 271068, 274756, 338835, 343445, 412134, 438060, 451780, 480823, 677670, 686890, 824268, 961646, 1030335, 1355340, 1373780, 1442469, 1923292, 2060670, 2404115, 2884938, 3365761, 4121340, 4808230, 5769876, 6731522, 7212345, 9616460, 10097283, 13463044, 14424690, 16828805, 20194566, 28849380, 33657610, 40389132, 50486415, 67315220, 100972830, 201945660]

約数ペア:

[(1, 201945660), (2, 100972830), (3, 67315220), (4, 50486415), (5, 40389132), (6, 33657610), (7, 28849380), (10, 20194566), (12, 16828805), (14, 14424690), (15, 13463044), (20, 10097283), (21, 9616460), (28, 7212345), (30, 6731522), (35, 5769876), (42, 4808230), (49, 4121340), (60, 3365761), (70, 2884938), (84, 2404115), (98, 2060670), (105, 1923292), (140, 1442469), (147, 1373780), (149, 1355340), (196, 1030335), (210, 961646), (245, 824268), (294, 686890), (298, 677670), (420, 480823), (447, 451780), (461, 438060), (490, 412134), (588, 343445), (596, 338835), (735, 274756), (745, 271068), (894, 225890), (922, 219030), (980, 206067), (1043, 193620), (1383, 146020), (1470, 137378), (1490, 135534), (1788, 112945), (1844, 109515), (2086, 96810), (2235, 90356), (2305, 87612), (2766, 73010), (2940, 68689), (2980, 67767), (3129, 64540), (3227, 62580), (4172, 48405), (4470, 45178), (4610, 43806), (5215, 38724), (5532, 36505), (6258, 32270), (6454, 31290), (6915, 29204), (7301, 27660), (8940, 22589), (9220, 21903), (9681, 20860), (10430, 19362), (12516, 16135), (12908, 15645), (13830, 14602)]