53857020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:452

約数の個数: 192

約数和(自身を含む): 192568320

約数和(自身を除く): 138711300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 19, 20, 21, 28, 30, 34, 35, 38, 42, 51, 57, 60, 68, 70, 76, 84, 85, 95, 102, 105, 114, 119, 133, 140, 170, 190, 204, 210, 228, 238, 255, 266, 285, 323, 340, 357, 380, 397, 399, 420, 476, 510, 532, 570, 595, 646, 665, 714, 794, 798, 969, 1020, 1140, 1190, 1191, 1292, 1330, 1428, 1588, 1596, 1615, 1785, 1938, 1985, 1995, 2261, 2380, 2382, 2660, 2779, 3230, 3570, 3876, 3970, 3990, 4522, 4764, 4845, 5558, 5955, 6460, 6749, 6783, 7140, 7543, 7940, 7980, 8337, 9044, 9690, 11116, 11305, 11910, 13498, 13566, 13895, 15086, 16674, 19380, 20247, 22610, 22629, 23820, 26996, 27132, 27790, 30172, 33348, 33745, 33915, 37715, 40494, 41685, 45220, 45258, 47243, 52801, 55580, 67490, 67830, 75430, 80988, 83370, 90516, 94486, 101235, 105602, 113145, 128231, 134980, 135660, 141729, 150860, 158403, 166740, 188972, 202470, 211204, 226290, 236215, 256462, 264005, 283458, 316806, 384693, 404940, 452580, 472430, 512924, 528010, 566916, 633612, 641155, 708645, 769386, 792015, 897617, 944860, 1056020, 1282310, 1417290, 1538772, 1584030, 1795234, 1923465, 2564620, 2692851, 2834580, 3168060, 3590468, 3846930, 4488085, 5385702, 7693860, 8976170, 10771404, 13464255, 17952340, 26928510, 53857020]

約数ペア:

[(1, 53857020), (2, 26928510), (3, 17952340), (4, 13464255), (5, 10771404), (6, 8976170), (7, 7693860), (10, 5385702), (12, 4488085), (14, 3846930), (15, 3590468), (17, 3168060), (19, 2834580), (20, 2692851), (21, 2564620), (28, 1923465), (30, 1795234), (34, 1584030), (35, 1538772), (38, 1417290), (42, 1282310), (51, 1056020), (57, 944860), (60, 897617), (68, 792015), (70, 769386), (76, 708645), (84, 641155), (85, 633612), (95, 566916), (102, 528010), (105, 512924), (114, 472430), (119, 452580), (133, 404940), (140, 384693), (170, 316806), (190, 283458), (204, 264005), (210, 256462), (228, 236215), (238, 226290), (255, 211204), (266, 202470), (285, 188972), (323, 166740), (340, 158403), (357, 150860), (380, 141729), (397, 135660), (399, 134980), (420, 128231), (476, 113145), (510, 105602), (532, 101235), (570, 94486), (595, 90516), (646, 83370), (665, 80988), (714, 75430), (794, 67830), (798, 67490), (969, 55580), (1020, 52801), (1140, 47243), (1190, 45258), (1191, 45220), (1292, 41685), (1330, 40494), (1428, 37715), (1588, 33915), (1596, 33745), (1615, 33348), (1785, 30172), (1938, 27790), (1985, 27132), (1995, 26996), (2261, 23820), (2380, 22629), (2382, 22610), (2660, 20247), (2779, 19380), (3230, 16674), (3570, 15086), (3876, 13895), (3970, 13566), (3990, 13498), (4522, 11910), (4764, 11305), (4845, 11116), (5558, 9690), (5955, 9044), (6460, 8337), (6749, 7980), (6783, 7940), (7140, 7543)]