253886360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3671}}^1$

素因数の和:3721

約数の個数: 128

約数和(自身を含む): 740275200

約数和(自身を除く): 486388840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 364, 380, 455, 494, 520, 532, 665, 728, 760, 910, 988, 1064, 1235, 1330, 1729, 1820, 1976, 2470, 2660, 3458, 3640, 3671, 4940, 5320, 6916, 7342, 8645, 9880, 13832, 14684, 17290, 18355, 25697, 29368, 34580, 36710, 47723, 51394, 69160, 69749, 73420, 95446, 102788, 128485, 139498, 146840, 190892, 205576, 238615, 256970, 278996, 334061, 348745, 381784, 477230, 488243, 513940, 557992, 668122, 697490, 906737, 954460, 976486, 1027880, 1336244, 1394980, 1670305, 1813474, 1908920, 1952972, 2441215, 2672488, 2789960, 3340610, 3626948, 3905944, 4533685, 4882430, 6347159, 6681220, 7253896, 9067370, 9764860, 12694318, 13362440, 18134740, 19529720, 25388636, 31735795, 36269480, 50777272, 63471590, 126943180, 253886360]

約数ペア:

[(1, 253886360), (2, 126943180), (4, 63471590), (5, 50777272), (7, 36269480), (8, 31735795), (10, 25388636), (13, 19529720), (14, 18134740), (19, 13362440), (20, 12694318), (26, 9764860), (28, 9067370), (35, 7253896), (38, 6681220), (40, 6347159), (52, 4882430), (56, 4533685), (65, 3905944), (70, 3626948), (76, 3340610), (91, 2789960), (95, 2672488), (104, 2441215), (130, 1952972), (133, 1908920), (140, 1813474), (152, 1670305), (182, 1394980), (190, 1336244), (247, 1027880), (260, 976486), (266, 954460), (280, 906737), (364, 697490), (380, 668122), (455, 557992), (494, 513940), (520, 488243), (532, 477230), (665, 381784), (728, 348745), (760, 334061), (910, 278996), (988, 256970), (1064, 238615), (1235, 205576), (1330, 190892), (1729, 146840), (1820, 139498), (1976, 128485), (2470, 102788), (2660, 95446), (3458, 73420), (3640, 69749), (3671, 69160), (4940, 51394), (5320, 47723), (6916, 36710), (7342, 34580), (8645, 29368), (9880, 25697), (13832, 18355), (14684, 17290)]