2019915975

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1723}}^1$

素因数の和:1790

約数の個数: 144

約数和(自身を含む): 4386683520

約数和(自身を除く): 2366767545

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 29, 33, 35, 49, 55, 75, 77, 87, 105, 145, 147, 165, 175, 203, 231, 245, 275, 319, 385, 435, 525, 539, 609, 725, 735, 825, 957, 1015, 1155, 1225, 1421, 1595, 1617, 1723, 1925, 2175, 2233, 2695, 3045, 3675, 4263, 4785, 5075, 5169, 5775, 6699, 7105, 7975, 8085, 8615, 11165, 12061, 13475, 15225, 15631, 18953, 21315, 23925, 25845, 33495, 35525, 36183, 40425, 43075, 46893, 49967, 55825, 56859, 60305, 78155, 84427, 94765, 106575, 129225, 132671, 149901, 167475, 180915, 234465, 249835, 253281, 284295, 301525, 349769, 390775, 398013, 422135, 473825, 549637, 663355, 749505, 904575, 928697, 1049307, 1172325, 1249175, 1266405, 1421475, 1648911, 1748845, 1990065, 2110675, 2448383, 2748185, 2786091, 3316775, 3747525, 3847459, 4643485, 5246535, 6332025, 7345149, 8244555, 8744225, 9950325, 11542377, 12241915, 13740925, 13930455, 19237295, 23217425, 26232675, 26932213, 36725745, 41222775, 57711885, 61209575, 69652275, 80796639, 96186475, 134661065, 183628725, 288559425, 403983195, 673305325, 2019915975]

約数ペア:

[(1, 2019915975), (3, 673305325), (5, 403983195), (7, 288559425), (11, 183628725), (15, 134661065), (21, 96186475), (25, 80796639), (29, 69652275), (33, 61209575), (35, 57711885), (49, 41222775), (55, 36725745), (75, 26932213), (77, 26232675), (87, 23217425), (105, 19237295), (145, 13930455), (147, 13740925), (165, 12241915), (175, 11542377), (203, 9950325), (231, 8744225), (245, 8244555), (275, 7345149), (319, 6332025), (385, 5246535), (435, 4643485), (525, 3847459), (539, 3747525), (609, 3316775), (725, 2786091), (735, 2748185), (825, 2448383), (957, 2110675), (1015, 1990065), (1155, 1748845), (1225, 1648911), (1421, 1421475), (1595, 1266405), (1617, 1249175), (1723, 1172325), (1925, 1049307), (2175, 928697), (2233, 904575), (2695, 749505), (3045, 663355), (3675, 549637), (4263, 473825), (4785, 422135), (5075, 398013), (5169, 390775), (5775, 349769), (6699, 301525), (7105, 284295), (7975, 253281), (8085, 249835), (8615, 234465), (11165, 180915), (12061, 167475), (13475, 149901), (15225, 132671), (15631, 129225), (18953, 106575), (21315, 94765), (23925, 84427), (25845, 78155), (33495, 60305), (35525, 56859), (36183, 55825), (40425, 49967), (43075, 46893)]