199912140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{13381}}^1$

素因数の和:13479

約数の個数: 72

約数和(自身を含む): 613752048

約数和(自身を除く): 413839908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 7470, 13381, 14940, 26762, 40143, 53524, 66905, 80286, 120429, 133810, 160572, 200715, 240858, 267620, 401430, 481716, 602145, 802860, 1110623, 1204290, 2221246, 2408580, 3331869, 4442492, 5553115, 6663738, 9995607, 11106230, 13327476, 16659345, 19991214, 22212460, 33318690, 39982428, 49978035, 66637380, 99956070, 199912140]

約数ペア:

[(1, 199912140), (2, 99956070), (3, 66637380), (4, 49978035), (5, 39982428), (6, 33318690), (9, 22212460), (10, 19991214), (12, 16659345), (15, 13327476), (18, 11106230), (20, 9995607), (30, 6663738), (36, 5553115), (45, 4442492), (60, 3331869), (83, 2408580), (90, 2221246), (166, 1204290), (180, 1110623), (249, 802860), (332, 602145), (415, 481716), (498, 401430), (747, 267620), (830, 240858), (996, 200715), (1245, 160572), (1494, 133810), (1660, 120429), (2490, 80286), (2988, 66905), (3735, 53524), (4980, 40143), (7470, 26762), (13381, 14940)]