20151856100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{1171}}^1$

素因数の和:1446

約数の個数: 144

約数和(自身を含む): 47462962176

約数和(自身を除く): 27311106076

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 53, 68, 85, 100, 106, 170, 191, 212, 265, 340, 382, 425, 530, 764, 850, 901, 955, 1060, 1171, 1325, 1700, 1802, 1910, 2342, 2650, 3247, 3604, 3820, 4505, 4684, 4775, 5300, 5855, 6494, 9010, 9550, 10123, 11710, 12988, 16235, 18020, 19100, 19907, 20246, 22525, 23420, 29275, 32470, 39814, 40492, 45050, 50615, 58550, 62063, 64940, 79628, 81175, 90100, 99535, 101230, 117100, 124126, 162350, 172091, 199070, 202460, 223661, 248252, 253075, 310315, 324700, 344182, 398140, 447322, 497675, 506150, 620630, 688364, 860455, 894644, 995350, 1012300, 1055071, 1118305, 1241260, 1551575, 1720910, 1990700, 2110142, 2236610, 3103150, 3441820, 3802237, 4220284, 4302275, 4473220, 5275355, 5591525, 6206300, 7604474, 8604550, 10550710, 11183050, 11854033, 15208948, 17209100, 19011185, 21101420, 22366100, 23708066, 26376775, 38022370, 47416132, 52753550, 59270165, 76044740, 95055925, 105507100, 118540330, 190111850, 201518561, 237080660, 296350825, 380223700, 403037122, 592701650, 806074244, 1007592805, 1185403300, 2015185610, 4030371220, 5037964025, 10075928050, 20151856100]

約数ペア:

[(1, 20151856100), (2, 10075928050), (4, 5037964025), (5, 4030371220), (10, 2015185610), (17, 1185403300), (20, 1007592805), (25, 806074244), (34, 592701650), (50, 403037122), (53, 380223700), (68, 296350825), (85, 237080660), (100, 201518561), (106, 190111850), (170, 118540330), (191, 105507100), (212, 95055925), (265, 76044740), (340, 59270165), (382, 52753550), (425, 47416132), (530, 38022370), (764, 26376775), (850, 23708066), (901, 22366100), (955, 21101420), (1060, 19011185), (1171, 17209100), (1325, 15208948), (1700, 11854033), (1802, 11183050), (1910, 10550710), (2342, 8604550), (2650, 7604474), (3247, 6206300), (3604, 5591525), (3820, 5275355), (4505, 4473220), (4684, 4302275), (4775, 4220284), (5300, 3802237), (5855, 3441820), (6494, 3103150), (9010, 2236610), (9550, 2110142), (10123, 1990700), (11710, 1720910), (12988, 1551575), (16235, 1241260), (18020, 1118305), (19100, 1055071), (19907, 1012300), (20246, 995350), (22525, 894644), (23420, 860455), (29275, 688364), (32470, 620630), (39814, 506150), (40492, 497675), (45050, 447322), (50615, 398140), (58550, 344182), (62063, 324700), (64940, 310315), (79628, 253075), (81175, 248252), (90100, 223661), (99535, 202460), (101230, 199070), (117100, 172091), (124126, 162350)]