321551136380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{620827}}^1$

素因数の和:620931

約数の個数: 96

約数和(自身を含む): 750953548800

約数和(自身を除く): 429402412420

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 47, 58, 76, 94, 95, 116, 145, 188, 190, 235, 290, 380, 470, 551, 580, 893, 940, 1102, 1363, 1786, 2204, 2726, 2755, 3572, 4465, 5452, 5510, 6815, 8930, 11020, 13630, 17860, 25897, 27260, 51794, 103588, 129485, 258970, 517940, 620827, 1241654, 2483308, 3104135, 6208270, 11795713, 12416540, 18003983, 23591426, 29178869, 36007966, 47182852, 58357738, 58978565, 72015932, 90019915, 116715476, 117957130, 145894345, 180039830, 235914260, 291788690, 342075677, 360079660, 554398511, 583577380, 684151354, 846187201, 1108797022, 1368302708, 1692374402, 1710378385, 2217594044, 2771992555, 3384748804, 3420756770, 4230936005, 5543985110, 6841513540, 8461872010, 11087970220, 16077556819, 16923744020, 32155113638, 64310227276, 80387784095, 160775568190, 321551136380]

約数ペア:

[(1, 321551136380), (2, 160775568190), (4, 80387784095), (5, 64310227276), (10, 32155113638), (19, 16923744020), (20, 16077556819), (29, 11087970220), (38, 8461872010), (47, 6841513540), (58, 5543985110), (76, 4230936005), (94, 3420756770), (95, 3384748804), (116, 2771992555), (145, 2217594044), (188, 1710378385), (190, 1692374402), (235, 1368302708), (290, 1108797022), (380, 846187201), (470, 684151354), (551, 583577380), (580, 554398511), (893, 360079660), (940, 342075677), (1102, 291788690), (1363, 235914260), (1786, 180039830), (2204, 145894345), (2726, 117957130), (2755, 116715476), (3572, 90019915), (4465, 72015932), (5452, 58978565), (5510, 58357738), (6815, 47182852), (8930, 36007966), (11020, 29178869), (13630, 23591426), (17860, 18003983), (25897, 12416540), (27260, 11795713), (51794, 6208270), (103588, 3104135), (129485, 2483308), (258970, 1241654), (517940, 620827)]