128428300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1283}}^1$

素因数の和:1328

約数の個数: 144

約数和(自身を含む): 374476032

約数和(自身を除く): 246047732

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 44, 50, 52, 55, 65, 70, 77, 91, 100, 110, 130, 140, 143, 154, 175, 182, 220, 260, 275, 286, 308, 325, 350, 364, 385, 455, 550, 572, 650, 700, 715, 770, 910, 1001, 1100, 1283, 1300, 1430, 1540, 1820, 1925, 2002, 2275, 2566, 2860, 3575, 3850, 4004, 4550, 5005, 5132, 6415, 7150, 7700, 8981, 9100, 10010, 12830, 14113, 14300, 16679, 17962, 20020, 25025, 25660, 28226, 32075, 33358, 35924, 44905, 50050, 56452, 64150, 66716, 70565, 83395, 89810, 98791, 100100, 116753, 128300, 141130, 166790, 179620, 183469, 197582, 224525, 233506, 282260, 333580, 352825, 366938, 395164, 416975, 449050, 467012, 493955, 583765, 705650, 733876, 833950, 898100, 917345, 987910, 1167530, 1284283, 1411300, 1667900, 1834690, 1975820, 2335060, 2469775, 2568566, 2918825, 3669380, 4586725, 4939550, 5137132, 5837650, 6421415, 9173450, 9879100, 11675300, 12842830, 18346900, 25685660, 32107075, 64214150, 128428300]

約数ペア:

[(1, 128428300), (2, 64214150), (4, 32107075), (5, 25685660), (7, 18346900), (10, 12842830), (11, 11675300), (13, 9879100), (14, 9173450), (20, 6421415), (22, 5837650), (25, 5137132), (26, 4939550), (28, 4586725), (35, 3669380), (44, 2918825), (50, 2568566), (52, 2469775), (55, 2335060), (65, 1975820), (70, 1834690), (77, 1667900), (91, 1411300), (100, 1284283), (110, 1167530), (130, 987910), (140, 917345), (143, 898100), (154, 833950), (175, 733876), (182, 705650), (220, 583765), (260, 493955), (275, 467012), (286, 449050), (308, 416975), (325, 395164), (350, 366938), (364, 352825), (385, 333580), (455, 282260), (550, 233506), (572, 224525), (650, 197582), (700, 183469), (715, 179620), (770, 166790), (910, 141130), (1001, 128300), (1100, 116753), (1283, 100100), (1300, 98791), (1430, 89810), (1540, 83395), (1820, 70565), (1925, 66716), (2002, 64150), (2275, 56452), (2566, 50050), (2860, 44905), (3575, 35924), (3850, 33358), (4004, 32075), (4550, 28226), (5005, 25660), (5132, 25025), (6415, 20020), (7150, 17962), (7700, 16679), (8981, 14300), (9100, 14113), (10010, 12830)]