290475000

素因数分解:

$2^3\times 3^2\times 5^5\times {\mathrm{1291}}^1$

素因数の和:1328

約数の個数: 144

約数和(自身を含む): 984077640

約数和(自身を除く): 693602640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 625, 750, 900, 1000, 1125, 1250, 1291, 1500, 1800, 1875, 2250, 2500, 2582, 3000, 3125, 3750, 3873, 4500, 5000, 5164, 5625, 6250, 6455, 7500, 7746, 9000, 9375, 10328, 11250, 11619, 12500, 12910, 15000, 15492, 18750, 19365, 22500, 23238, 25000, 25820, 28125, 30984, 32275, 37500, 38730, 45000, 46476, 51640, 56250, 58095, 64550, 75000, 77460, 92952, 96825, 112500, 116190, 129100, 154920, 161375, 193650, 225000, 232380, 258200, 290475, 322750, 387300, 464760, 484125, 580950, 645500, 774600, 806875, 968250, 1161900, 1291000, 1452375, 1613750, 1936500, 2323800, 2420625, 2904750, 3227500, 3873000, 4034375, 4841250, 5809500, 6455000, 7261875, 8068750, 9682500, 11619000, 12103125, 14523750, 16137500, 19365000, 24206250, 29047500, 32275000, 36309375, 48412500, 58095000, 72618750, 96825000, 145237500, 290475000]

約数ペア:

[(1, 290475000), (2, 145237500), (3, 96825000), (4, 72618750), (5, 58095000), (6, 48412500), (8, 36309375), (9, 32275000), (10, 29047500), (12, 24206250), (15, 19365000), (18, 16137500), (20, 14523750), (24, 12103125), (25, 11619000), (30, 9682500), (36, 8068750), (40, 7261875), (45, 6455000), (50, 5809500), (60, 4841250), (72, 4034375), (75, 3873000), (90, 3227500), (100, 2904750), (120, 2420625), (125, 2323800), (150, 1936500), (180, 1613750), (200, 1452375), (225, 1291000), (250, 1161900), (300, 968250), (360, 806875), (375, 774600), (450, 645500), (500, 580950), (600, 484125), (625, 464760), (750, 387300), (900, 322750), (1000, 290475), (1125, 258200), (1250, 232380), (1291, 225000), (1500, 193650), (1800, 161375), (1875, 154920), (2250, 129100), (2500, 116190), (2582, 112500), (3000, 96825), (3125, 92952), (3750, 77460), (3873, 75000), (4500, 64550), (5000, 58095), (5164, 56250), (5625, 51640), (6250, 46476), (6455, 45000), (7500, 38730), (7746, 37500), (9000, 32275), (9375, 30984), (10328, 28125), (11250, 25820), (11619, 25000), (12500, 23238), (12910, 22500), (15000, 19365), (15492, 18750)]