91971020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:687

約数の個数: 96

約数和(自身を含む): 224985600

約数和(自身を除く): 133014580

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 23, 34, 38, 46, 68, 76, 85, 92, 95, 115, 170, 190, 230, 323, 340, 380, 391, 437, 460, 619, 646, 782, 874, 1238, 1292, 1564, 1615, 1748, 1955, 2185, 2476, 3095, 3230, 3910, 4370, 6190, 6460, 7429, 7820, 8740, 10523, 11761, 12380, 14237, 14858, 21046, 23522, 28474, 29716, 37145, 42092, 47044, 52615, 56948, 58805, 71185, 74290, 105230, 117610, 142370, 148580, 199937, 210460, 235220, 242029, 270503, 284740, 399874, 484058, 541006, 799748, 968116, 999685, 1082012, 1210145, 1352515, 1999370, 2420290, 2705030, 3998740, 4598551, 4840580, 5410060, 9197102, 18394204, 22992755, 45985510, 91971020]

約数ペア:

[(1, 91971020), (2, 45985510), (4, 22992755), (5, 18394204), (10, 9197102), (17, 5410060), (19, 4840580), (20, 4598551), (23, 3998740), (34, 2705030), (38, 2420290), (46, 1999370), (68, 1352515), (76, 1210145), (85, 1082012), (92, 999685), (95, 968116), (115, 799748), (170, 541006), (190, 484058), (230, 399874), (323, 284740), (340, 270503), (380, 242029), (391, 235220), (437, 210460), (460, 199937), (619, 148580), (646, 142370), (782, 117610), (874, 105230), (1238, 74290), (1292, 71185), (1564, 58805), (1615, 56948), (1748, 52615), (1955, 47044), (2185, 42092), (2476, 37145), (3095, 29716), (3230, 28474), (3910, 23522), (4370, 21046), (6190, 14858), (6460, 14237), (7429, 12380), (7820, 11761), (8740, 10523)]