About the Number

27972990

27972989 ← → 27972991

2進数表記:1101010101101010101111110

漢数字表記:二千七百九十七万二千九百九十

素因数分解:

2 1 × 3 2 × 5 1 × 17 1 × 47 1 × 389 1

素因数の和:466
約数の個数: 96
約数和(自身を含む): 78848640
約数和(自身を除く): 50875650

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 47, 51, 85, 90, 94, 102, 141, 153, 170, 235, 255, 282, 306, 389, 423, 470, 510, 705, 765, 778, 799, 846, 1167, 1410, 1530, 1598, 1945, 2115, 2334, 2397, 3501, 3890, 3995, 4230, 4794, 5835, 6613, 7002, 7191, 7990, 11670, 11985, 13226, 14382, 17505, 18283, 19839, 23970, 33065, 35010, 35955, 36566, 39678, 54849, 59517, 66130, 71910, 91415, 99195, 109698, 119034, 164547, 182830, 198390, 274245, 297585, 310811, 329094, 548490, 595170, 621622, 822735, 932433, 1554055, 1645470, 1864866, 2797299, 3108110, 4662165, 5594598, 9324330, 13986495, 27972990]

約数ペア:
[(1, 27972990), (2, 13986495), (3, 9324330), (5, 5594598), (6, 4662165), (9, 3108110), (10, 2797299), (15, 1864866), (17, 1645470), (18, 1554055), (30, 932433), (34, 822735), (45, 621622), (47, 595170), (51, 548490), (85, 329094), (90, 310811), (94, 297585), (102, 274245), (141, 198390), (153, 182830), (170, 164547), (235, 119034), (255, 109698), (282, 99195), (306, 91415), (389, 71910), (423, 66130), (470, 59517), (510, 54849), (705, 39678), (765, 36566), (778, 35955), (799, 35010), (846, 33065), (1167, 23970), (1410, 19839), (1530, 18283), (1598, 17505), (1945, 14382), (2115, 13226), (2334, 11985), (2397, 11670), (3501, 7990), (3890, 7191), (3995, 7002), (4230, 6613), (4794, 5835)]

このpageの処理時間: 0.005446434020996094 seconds