28048860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 98594496

約数和(自身を除く): 70545636

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 113, 126, 140, 180, 197, 210, 226, 252, 315, 339, 394, 420, 452, 565, 591, 630, 678, 788, 791, 985, 1017, 1130, 1182, 1260, 1356, 1379, 1582, 1695, 1773, 1970, 2034, 2260, 2364, 2373, 2758, 2955, 3164, 3390, 3546, 3940, 3955, 4068, 4137, 4746, 5085, 5516, 5910, 6780, 6895, 7092, 7119, 7910, 8274, 8865, 9492, 10170, 11820, 11865, 12411, 13790, 14238, 15820, 16548, 17730, 20340, 20685, 22261, 23730, 24822, 27580, 28476, 35460, 35595, 41370, 44522, 47460, 49644, 62055, 66783, 71190, 82740, 89044, 111305, 124110, 133566, 142380, 155827, 200349, 222610, 248220, 267132, 311654, 333915, 400698, 445220, 467481, 623308, 667830, 779135, 801396, 934962, 1001745, 1335660, 1402443, 1558270, 1869924, 2003490, 2337405, 2804886, 3116540, 4006980, 4674810, 5609772, 7012215, 9349620, 14024430, 28048860]

約数ペア:

[(1, 28048860), (2, 14024430), (3, 9349620), (4, 7012215), (5, 5609772), (6, 4674810), (7, 4006980), (9, 3116540), (10, 2804886), (12, 2337405), (14, 2003490), (15, 1869924), (18, 1558270), (20, 1402443), (21, 1335660), (28, 1001745), (30, 934962), (35, 801396), (36, 779135), (42, 667830), (45, 623308), (60, 467481), (63, 445220), (70, 400698), (84, 333915), (90, 311654), (105, 267132), (113, 248220), (126, 222610), (140, 200349), (180, 155827), (197, 142380), (210, 133566), (226, 124110), (252, 111305), (315, 89044), (339, 82740), (394, 71190), (420, 66783), (452, 62055), (565, 49644), (591, 47460), (630, 44522), (678, 41370), (788, 35595), (791, 35460), (985, 28476), (1017, 27580), (1130, 24822), (1182, 23730), (1260, 22261), (1356, 20685), (1379, 20340), (1582, 17730), (1695, 16548), (1773, 15820), (1970, 14238), (2034, 13790), (2260, 12411), (2364, 11865), (2373, 11820), (2758, 10170), (2955, 9492), (3164, 8865), (3390, 8274), (3546, 7910), (3940, 7119), (3955, 7092), (4068, 6895), (4137, 6780), (4746, 5910), (5085, 5516)]