78070400

素因数分解:

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

素因数の和:842

約数の個数: 96

約数和(自身を含む): 199332480

約数和(自身を除く): 121262080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 310, 320, 400, 496, 620, 640, 775, 787, 800, 992, 1240, 1550, 1574, 1600, 1984, 2480, 3100, 3148, 3200, 3935, 3968, 4960, 6200, 6296, 7870, 9920, 12400, 12592, 15740, 19675, 19840, 24397, 24800, 25184, 31480, 39350, 48794, 49600, 50368, 62960, 78700, 97588, 99200, 100736, 121985, 125920, 157400, 195176, 243970, 251840, 314800, 390352, 487940, 503680, 609925, 629600, 780704, 975880, 1219850, 1259200, 1561408, 1951760, 2439700, 2518400, 3122816, 3903520, 4879400, 7807040, 9758800, 15614080, 19517600, 39035200, 78070400]

約数ペア:

[(1, 78070400), (2, 39035200), (4, 19517600), (5, 15614080), (8, 9758800), (10, 7807040), (16, 4879400), (20, 3903520), (25, 3122816), (31, 2518400), (32, 2439700), (40, 1951760), (50, 1561408), (62, 1259200), (64, 1219850), (80, 975880), (100, 780704), (124, 629600), (128, 609925), (155, 503680), (160, 487940), (200, 390352), (248, 314800), (310, 251840), (320, 243970), (400, 195176), (496, 157400), (620, 125920), (640, 121985), (775, 100736), (787, 99200), (800, 97588), (992, 78700), (1240, 62960), (1550, 50368), (1574, 49600), (1600, 48794), (1984, 39350), (2480, 31480), (3100, 25184), (3148, 24800), (3200, 24397), (3935, 19840), (3968, 19675), (4960, 15740), (6200, 12592), (6296, 12400), (7870, 9920)]