31257450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{9923}}^1$

素因数の和:9948

約数の個数: 72

約数和(自身を含む): 95984928

約数和(自身を除く): 64727478

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 9923, 19846, 29769, 49615, 59538, 69461, 89307, 99230, 138922, 148845, 178614, 208383, 248075, 297690, 347305, 416766, 446535, 496150, 625149, 694610, 744225, 893070, 1041915, 1250298, 1488450, 1736525, 2083830, 2232675, 3125745, 3473050, 4465350, 5209575, 6251490, 10419150, 15628725, 31257450]

約数ペア:

[(1, 31257450), (2, 15628725), (3, 10419150), (5, 6251490), (6, 5209575), (7, 4465350), (9, 3473050), (10, 3125745), (14, 2232675), (15, 2083830), (18, 1736525), (21, 1488450), (25, 1250298), (30, 1041915), (35, 893070), (42, 744225), (45, 694610), (50, 625149), (63, 496150), (70, 446535), (75, 416766), (90, 347305), (105, 297690), (126, 248075), (150, 208383), (175, 178614), (210, 148845), (225, 138922), (315, 99230), (350, 89307), (450, 69461), (525, 59538), (630, 49615), (1050, 29769), (1575, 19846), (3150, 9923)]