420523390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2657}}^1$

素因数の和:2714

約数の個数: 96

約数和(自身を含む): 981758880

約数和(自身を除く): 561235490

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 49, 70, 85, 95, 98, 119, 133, 170, 190, 238, 245, 266, 323, 490, 595, 646, 665, 833, 931, 1190, 1330, 1615, 1666, 1862, 2261, 2657, 3230, 4165, 4522, 4655, 5314, 8330, 9310, 11305, 13285, 15827, 18599, 22610, 26570, 31654, 37198, 45169, 50483, 79135, 90338, 92995, 100966, 130193, 158270, 185990, 225845, 252415, 260386, 316183, 353381, 451690, 504830, 632366, 650965, 706762, 858211, 1301930, 1580915, 1716422, 1766905, 2213281, 2473667, 3161830, 3533810, 4291055, 4426562, 4947334, 6007477, 8582110, 11066405, 12014954, 12368335, 22132810, 24736670, 30037385, 42052339, 60074770, 84104678, 210261695, 420523390]

約数ペア:

[(1, 420523390), (2, 210261695), (5, 84104678), (7, 60074770), (10, 42052339), (14, 30037385), (17, 24736670), (19, 22132810), (34, 12368335), (35, 12014954), (38, 11066405), (49, 8582110), (70, 6007477), (85, 4947334), (95, 4426562), (98, 4291055), (119, 3533810), (133, 3161830), (170, 2473667), (190, 2213281), (238, 1766905), (245, 1716422), (266, 1580915), (323, 1301930), (490, 858211), (595, 706762), (646, 650965), (665, 632366), (833, 504830), (931, 451690), (1190, 353381), (1330, 316183), (1615, 260386), (1666, 252415), (1862, 225845), (2261, 185990), (2657, 158270), (3230, 130193), (4165, 100966), (4522, 92995), (4655, 90338), (5314, 79135), (8330, 50483), (9310, 45169), (11305, 37198), (13285, 31654), (15827, 26570), (18599, 22610)]