38466680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 105062400

約数和(自身を除く): 66595720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 47, 56, 70, 74, 79, 94, 140, 148, 158, 185, 188, 235, 259, 280, 296, 316, 329, 370, 376, 395, 470, 518, 553, 632, 658, 740, 790, 940, 1036, 1106, 1295, 1316, 1480, 1580, 1645, 1739, 1880, 2072, 2212, 2590, 2632, 2765, 2923, 3160, 3290, 3478, 3713, 4424, 5180, 5530, 5846, 6580, 6956, 7426, 8695, 10360, 11060, 11692, 12173, 13160, 13912, 14615, 14852, 17390, 18565, 20461, 22120, 23384, 24346, 25991, 29230, 29704, 34780, 37130, 40922, 48692, 51982, 58460, 60865, 69560, 74260, 81844, 97384, 102305, 103964, 116920, 121730, 129955, 137381, 148520, 163688, 204610, 207928, 243460, 259910, 274762, 409220, 486920, 519820, 549524, 686905, 818440, 961667, 1039640, 1099048, 1373810, 1923334, 2747620, 3846668, 4808335, 5495240, 7693336, 9616670, 19233340, 38466680]

約数ペア:

[(1, 38466680), (2, 19233340), (4, 9616670), (5, 7693336), (7, 5495240), (8, 4808335), (10, 3846668), (14, 2747620), (20, 1923334), (28, 1373810), (35, 1099048), (37, 1039640), (40, 961667), (47, 818440), (56, 686905), (70, 549524), (74, 519820), (79, 486920), (94, 409220), (140, 274762), (148, 259910), (158, 243460), (185, 207928), (188, 204610), (235, 163688), (259, 148520), (280, 137381), (296, 129955), (316, 121730), (329, 116920), (370, 103964), (376, 102305), (395, 97384), (470, 81844), (518, 74260), (553, 69560), (632, 60865), (658, 58460), (740, 51982), (790, 48692), (940, 40922), (1036, 37130), (1106, 34780), (1295, 29704), (1316, 29230), (1480, 25991), (1580, 24346), (1645, 23384), (1739, 22120), (1880, 20461), (2072, 18565), (2212, 17390), (2590, 14852), (2632, 14615), (2765, 13912), (2923, 13160), (3160, 12173), (3290, 11692), (3478, 11060), (3713, 10360), (4424, 8695), (5180, 7426), (5530, 6956), (5846, 6580)]