199441600

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4021}}^1$

素因数の和:4074

約数の個数: 84

約数和(自身を含む): 506707648

約数和(自身を除く): 307266048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 155, 160, 200, 248, 310, 320, 400, 496, 620, 775, 800, 992, 1240, 1550, 1600, 1984, 2480, 3100, 4021, 4960, 6200, 8042, 9920, 12400, 16084, 20105, 24800, 32168, 40210, 49600, 64336, 80420, 100525, 124651, 128672, 160840, 201050, 249302, 257344, 321680, 402100, 498604, 623255, 643360, 804200, 997208, 1246510, 1286720, 1608400, 1994416, 2493020, 3116275, 3216800, 3988832, 4986040, 6232550, 6433600, 7977664, 9972080, 12465100, 19944160, 24930200, 39888320, 49860400, 99720800, 199441600]

約数ペア:

[(1, 199441600), (2, 99720800), (4, 49860400), (5, 39888320), (8, 24930200), (10, 19944160), (16, 12465100), (20, 9972080), (25, 7977664), (31, 6433600), (32, 6232550), (40, 4986040), (50, 3988832), (62, 3216800), (64, 3116275), (80, 2493020), (100, 1994416), (124, 1608400), (155, 1286720), (160, 1246510), (200, 997208), (248, 804200), (310, 643360), (320, 623255), (400, 498604), (496, 402100), (620, 321680), (775, 257344), (800, 249302), (992, 201050), (1240, 160840), (1550, 128672), (1600, 124651), (1984, 100525), (2480, 80420), (3100, 64336), (4021, 49600), (4960, 40210), (6200, 32168), (8042, 24800), (9920, 20105), (12400, 16084)]