390352000

素因数分解:

$2^7\times 5^3\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:847

約数の個数: 128

約数和(自身を含む): 1003092480

約数和(自身を除く): 612740480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 200, 248, 250, 310, 320, 400, 496, 500, 620, 640, 775, 787, 800, 992, 1000, 1240, 1550, 1574, 1600, 1984, 2000, 2480, 3100, 3148, 3200, 3875, 3935, 3968, 4000, 4960, 6200, 6296, 7750, 7870, 8000, 9920, 12400, 12592, 15500, 15740, 16000, 19675, 19840, 24397, 24800, 25184, 31000, 31480, 39350, 48794, 49600, 50368, 62000, 62960, 78700, 97588, 98375, 99200, 100736, 121985, 124000, 125920, 157400, 195176, 196750, 243970, 248000, 251840, 314800, 390352, 393500, 487940, 496000, 503680, 609925, 629600, 780704, 787000, 975880, 1219850, 1259200, 1561408, 1574000, 1951760, 2439700, 2518400, 3049625, 3122816, 3148000, 3903520, 4879400, 6099250, 6296000, 7807040, 9758800, 12198500, 12592000, 15614080, 19517600, 24397000, 39035200, 48794000, 78070400, 97588000, 195176000, 390352000]

約数ペア:

[(1, 390352000), (2, 195176000), (4, 97588000), (5, 78070400), (8, 48794000), (10, 39035200), (16, 24397000), (20, 19517600), (25, 15614080), (31, 12592000), (32, 12198500), (40, 9758800), (50, 7807040), (62, 6296000), (64, 6099250), (80, 4879400), (100, 3903520), (124, 3148000), (125, 3122816), (128, 3049625), (155, 2518400), (160, 2439700), (200, 1951760), (248, 1574000), (250, 1561408), (310, 1259200), (320, 1219850), (400, 975880), (496, 787000), (500, 780704), (620, 629600), (640, 609925), (775, 503680), (787, 496000), (800, 487940), (992, 393500), (1000, 390352), (1240, 314800), (1550, 251840), (1574, 248000), (1600, 243970), (1984, 196750), (2000, 195176), (2480, 157400), (3100, 125920), (3148, 124000), (3200, 121985), (3875, 100736), (3935, 99200), (3968, 98375), (4000, 97588), (4960, 78700), (6200, 62960), (6296, 62000), (7750, 50368), (7870, 49600), (8000, 48794), (9920, 39350), (12400, 31480), (12592, 31000), (15500, 25184), (15740, 24800), (16000, 24397), (19675, 19840)]