38987340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 129276000

約数和(自身を除く): 90288660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 89, 98, 105, 140, 147, 149, 178, 196, 210, 245, 267, 294, 298, 356, 420, 445, 447, 490, 534, 588, 596, 623, 735, 745, 890, 894, 980, 1043, 1068, 1246, 1335, 1470, 1490, 1780, 1788, 1869, 2086, 2235, 2492, 2670, 2940, 2980, 3115, 3129, 3738, 4172, 4361, 4470, 5215, 5340, 6230, 6258, 7301, 7476, 8722, 8940, 9345, 10430, 12460, 12516, 13083, 13261, 14602, 15645, 17444, 18690, 20860, 21805, 21903, 26166, 26522, 29204, 31290, 36505, 37380, 39783, 43610, 43806, 52332, 53044, 62580, 65415, 66305, 73010, 79566, 87220, 87612, 92827, 109515, 130830, 132610, 146020, 159132, 185654, 198915, 219030, 261660, 265220, 278481, 371308, 397830, 438060, 464135, 556962, 649789, 795660, 928270, 1113924, 1299578, 1392405, 1856540, 1949367, 2599156, 2784810, 3248945, 3898734, 5569620, 6497890, 7797468, 9746835, 12995780, 19493670, 38987340]

約数ペア:

[(1, 38987340), (2, 19493670), (3, 12995780), (4, 9746835), (5, 7797468), (6, 6497890), (7, 5569620), (10, 3898734), (12, 3248945), (14, 2784810), (15, 2599156), (20, 1949367), (21, 1856540), (28, 1392405), (30, 1299578), (35, 1113924), (42, 928270), (49, 795660), (60, 649789), (70, 556962), (84, 464135), (89, 438060), (98, 397830), (105, 371308), (140, 278481), (147, 265220), (149, 261660), (178, 219030), (196, 198915), (210, 185654), (245, 159132), (267, 146020), (294, 132610), (298, 130830), (356, 109515), (420, 92827), (445, 87612), (447, 87220), (490, 79566), (534, 73010), (588, 66305), (596, 65415), (623, 62580), (735, 53044), (745, 52332), (890, 43806), (894, 43610), (980, 39783), (1043, 37380), (1068, 36505), (1246, 31290), (1335, 29204), (1470, 26522), (1490, 26166), (1780, 21903), (1788, 21805), (1869, 20860), (2086, 18690), (2235, 17444), (2492, 15645), (2670, 14602), (2940, 13261), (2980, 13083), (3115, 12516), (3129, 12460), (3738, 10430), (4172, 9345), (4361, 8940), (4470, 8722), (5215, 7476), (5340, 7301), (6230, 6258)]