2028512500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 5144670720

約数和(自身を除く): 3116158220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 97, 100, 125, 140, 175, 194, 239, 250, 350, 388, 478, 485, 500, 625, 679, 700, 875, 956, 970, 1195, 1250, 1358, 1673, 1750, 1940, 2390, 2425, 2500, 2716, 3125, 3346, 3395, 3500, 4375, 4780, 4850, 5975, 6250, 6692, 6790, 8365, 8750, 9700, 11950, 12125, 12500, 13580, 16730, 16975, 17500, 21875, 23183, 23900, 24250, 29875, 33460, 33950, 41825, 43750, 46366, 48500, 59750, 60625, 67900, 83650, 84875, 87500, 92732, 115915, 119500, 121250, 149375, 162281, 167300, 169750, 209125, 231830, 242500, 298750, 303125, 324562, 339500, 418250, 424375, 463660, 579575, 597500, 606250, 649124, 746875, 811405, 836500, 848750, 1045625, 1159150, 1212500, 1493750, 1622810, 1697500, 2091250, 2121875, 2318300, 2897875, 2987500, 3245620, 4057025, 4182500, 4243750, 5228125, 5795750, 8114050, 8487500, 10456250, 11591500, 14489375, 16228100, 20285125, 20912500, 28978750, 40570250, 57957500, 72446875, 81140500, 101425625, 144893750, 202851250, 289787500, 405702500, 507128125, 1014256250, 2028512500]

約数ペア:

[(1, 2028512500), (2, 1014256250), (4, 507128125), (5, 405702500), (7, 289787500), (10, 202851250), (14, 144893750), (20, 101425625), (25, 81140500), (28, 72446875), (35, 57957500), (50, 40570250), (70, 28978750), (97, 20912500), (100, 20285125), (125, 16228100), (140, 14489375), (175, 11591500), (194, 10456250), (239, 8487500), (250, 8114050), (350, 5795750), (388, 5228125), (478, 4243750), (485, 4182500), (500, 4057025), (625, 3245620), (679, 2987500), (700, 2897875), (875, 2318300), (956, 2121875), (970, 2091250), (1195, 1697500), (1250, 1622810), (1358, 1493750), (1673, 1212500), (1750, 1159150), (1940, 1045625), (2390, 848750), (2425, 836500), (2500, 811405), (2716, 746875), (3125, 649124), (3346, 606250), (3395, 597500), (3500, 579575), (4375, 463660), (4780, 424375), (4850, 418250), (5975, 339500), (6250, 324562), (6692, 303125), (6790, 298750), (8365, 242500), (8750, 231830), (9700, 209125), (11950, 169750), (12125, 167300), (12500, 162281), (13580, 149375), (16730, 121250), (16975, 119500), (17500, 115915), (21875, 92732), (23183, 87500), (23900, 84875), (24250, 83650), (29875, 67900), (33460, 60625), (33950, 59750), (41825, 48500), (43750, 46366)]