28819770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:300

約数の個数: 128

約数和(自身を含む): 86261760

約数和(自身を除く): 57441990

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 31, 35, 38, 42, 57, 62, 70, 93, 95, 105, 114, 133, 155, 186, 190, 210, 217, 233, 266, 285, 310, 399, 434, 465, 466, 570, 589, 651, 665, 699, 798, 930, 1085, 1165, 1178, 1302, 1330, 1398, 1631, 1767, 1995, 2170, 2330, 2945, 3255, 3262, 3495, 3534, 3990, 4123, 4427, 4893, 5890, 6510, 6990, 7223, 8155, 8246, 8835, 8854, 9786, 12369, 13281, 14446, 16310, 17670, 20615, 21669, 22135, 24465, 24738, 26562, 30989, 36115, 41230, 43338, 44270, 48930, 50561, 61845, 61978, 66405, 72230, 92967, 101122, 108345, 123690, 132810, 137237, 151683, 154945, 185934, 216690, 252805, 274474, 303366, 309890, 411711, 464835, 505610, 686185, 758415, 823422, 929670, 960659, 1372370, 1516830, 1921318, 2058555, 2881977, 4117110, 4803295, 5763954, 9606590, 14409885, 28819770]

約数ペア:

[(1, 28819770), (2, 14409885), (3, 9606590), (5, 5763954), (6, 4803295), (7, 4117110), (10, 2881977), (14, 2058555), (15, 1921318), (19, 1516830), (21, 1372370), (30, 960659), (31, 929670), (35, 823422), (38, 758415), (42, 686185), (57, 505610), (62, 464835), (70, 411711), (93, 309890), (95, 303366), (105, 274474), (114, 252805), (133, 216690), (155, 185934), (186, 154945), (190, 151683), (210, 137237), (217, 132810), (233, 123690), (266, 108345), (285, 101122), (310, 92967), (399, 72230), (434, 66405), (465, 61978), (466, 61845), (570, 50561), (589, 48930), (651, 44270), (665, 43338), (699, 41230), (798, 36115), (930, 30989), (1085, 26562), (1165, 24738), (1178, 24465), (1302, 22135), (1330, 21669), (1398, 20615), (1631, 17670), (1767, 16310), (1995, 14446), (2170, 13281), (2330, 12369), (2945, 9786), (3255, 8854), (3262, 8835), (3495, 8246), (3534, 8155), (3990, 7223), (4123, 6990), (4427, 6510), (4893, 5890)]