388677780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{45943}}^1$

素因数の和:46005

約数の個数: 72

約数和(自身を含む): 1204100352

約数和(自身を除く): 815422572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 45943, 91886, 137829, 183772, 229715, 275658, 413487, 459430, 551316, 689145, 826974, 918860, 1378290, 1653948, 2067435, 2159321, 2756580, 4134870, 4318642, 6477963, 8269740, 8637284, 10796605, 12955926, 19433889, 21593210, 25911852, 32389815, 38867778, 43186420, 64779630, 77735556, 97169445, 129559260, 194338890, 388677780]

約数ペア:

[(1, 388677780), (2, 194338890), (3, 129559260), (4, 97169445), (5, 77735556), (6, 64779630), (9, 43186420), (10, 38867778), (12, 32389815), (15, 25911852), (18, 21593210), (20, 19433889), (30, 12955926), (36, 10796605), (45, 8637284), (47, 8269740), (60, 6477963), (90, 4318642), (94, 4134870), (141, 2756580), (180, 2159321), (188, 2067435), (235, 1653948), (282, 1378290), (423, 918860), (470, 826974), (564, 689145), (705, 551316), (846, 459430), (940, 413487), (1410, 275658), (1692, 229715), (2115, 183772), (2820, 137829), (4230, 91886), (8460, 45943)]