28203358120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1\times {\mathrm{2693}}^1$

素因数の和:3155

約数の個数: 128

約数和(自身を含む): 73413008640

約数和(自身を除く): 45209650520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 331, 452, 565, 662, 791, 904, 1130, 1324, 1582, 1655, 2260, 2317, 2648, 2693, 3164, 3310, 3955, 4520, 4634, 5386, 6328, 6620, 7910, 9268, 10772, 11585, 13240, 13465, 15820, 18536, 18851, 21544, 23170, 26930, 31640, 37403, 37702, 46340, 53860, 74806, 75404, 92680, 94255, 107720, 149612, 150808, 187015, 188510, 261821, 299224, 304309, 374030, 377020, 523642, 608618, 748060, 754040, 891383, 1047284, 1217236, 1309105, 1496120, 1521545, 1782766, 2094568, 2130163, 2434472, 2618210, 3043090, 3565532, 4260326, 4456915, 5236420, 6086180, 6239681, 7131064, 8520652, 8913830, 10472840, 10650815, 12172360, 12479362, 17041304, 17827660, 21301630, 24958724, 31198405, 35655320, 42603260, 49917448, 62396810, 85206520, 100726279, 124793620, 201452558, 249587240, 402905116, 503631395, 705083953, 805810232, 1007262790, 1410167906, 2014525580, 2820335812, 3525419765, 4029051160, 5640671624, 7050839530, 14101679060, 28203358120]

約数ペア:

[(1, 28203358120), (2, 14101679060), (4, 7050839530), (5, 5640671624), (7, 4029051160), (8, 3525419765), (10, 2820335812), (14, 2014525580), (20, 1410167906), (28, 1007262790), (35, 805810232), (40, 705083953), (56, 503631395), (70, 402905116), (113, 249587240), (140, 201452558), (226, 124793620), (280, 100726279), (331, 85206520), (452, 62396810), (565, 49917448), (662, 42603260), (791, 35655320), (904, 31198405), (1130, 24958724), (1324, 21301630), (1582, 17827660), (1655, 17041304), (2260, 12479362), (2317, 12172360), (2648, 10650815), (2693, 10472840), (3164, 8913830), (3310, 8520652), (3955, 7131064), (4520, 6239681), (4634, 6086180), (5386, 5236420), (6328, 4456915), (6620, 4260326), (7910, 3565532), (9268, 3043090), (10772, 2618210), (11585, 2434472), (13240, 2130163), (13465, 2094568), (15820, 1782766), (18536, 1521545), (18851, 1496120), (21544, 1309105), (23170, 1217236), (26930, 1047284), (31640, 891383), (37403, 754040), (37702, 748060), (46340, 608618), (53860, 523642), (74806, 377020), (75404, 374030), (92680, 304309), (94255, 299224), (107720, 261821), (149612, 188510), (150808, 187015)]