209713980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{2143}}^1$

素因数の和:2395

約数の個数: 96

約数和(自身を含む): 674279424

約数和(自身を除く): 464565444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 233, 420, 466, 699, 932, 1165, 1398, 1631, 2143, 2330, 2796, 3262, 3495, 4286, 4660, 4893, 6429, 6524, 6990, 8155, 8572, 9786, 10715, 12858, 13980, 15001, 16310, 19572, 21430, 24465, 25716, 30002, 32145, 32620, 42860, 45003, 48930, 60004, 64290, 75005, 90006, 97860, 128580, 150010, 180012, 225015, 300020, 450030, 499319, 900060, 998638, 1497957, 1997276, 2496595, 2995914, 3495233, 4993190, 5991828, 6990466, 7489785, 9986380, 10485699, 13980932, 14979570, 17476165, 20971398, 29959140, 34952330, 41942796, 52428495, 69904660, 104856990, 209713980]

約数ペア:

[(1, 209713980), (2, 104856990), (3, 69904660), (4, 52428495), (5, 41942796), (6, 34952330), (7, 29959140), (10, 20971398), (12, 17476165), (14, 14979570), (15, 13980932), (20, 10485699), (21, 9986380), (28, 7489785), (30, 6990466), (35, 5991828), (42, 4993190), (60, 3495233), (70, 2995914), (84, 2496595), (105, 1997276), (140, 1497957), (210, 998638), (233, 900060), (420, 499319), (466, 450030), (699, 300020), (932, 225015), (1165, 180012), (1398, 150010), (1631, 128580), (2143, 97860), (2330, 90006), (2796, 75005), (3262, 64290), (3495, 60004), (4286, 48930), (4660, 45003), (4893, 42860), (6429, 32620), (6524, 32145), (6990, 30002), (8155, 25716), (8572, 24465), (9786, 21430), (10715, 19572), (12858, 16310), (13980, 15001)]