162839740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1867}}^1$

素因数の和:1979

約数の個数: 72

約数和(自身を含む): 402479280

約数和(自身を除く): 239639540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 490, 623, 890, 980, 1246, 1780, 1867, 2492, 3115, 3734, 4361, 6230, 7468, 8722, 9335, 12460, 13069, 17444, 18670, 21805, 26138, 37340, 43610, 52276, 65345, 87220, 91483, 130690, 166163, 182966, 261380, 332326, 365932, 457415, 664652, 830815, 914830, 1163141, 1661630, 1829660, 2326282, 3323260, 4652564, 5815705, 8141987, 11631410, 16283974, 23262820, 32567948, 40709935, 81419870, 162839740]

約数ペア:

[(1, 162839740), (2, 81419870), (4, 40709935), (5, 32567948), (7, 23262820), (10, 16283974), (14, 11631410), (20, 8141987), (28, 5815705), (35, 4652564), (49, 3323260), (70, 2326282), (89, 1829660), (98, 1661630), (140, 1163141), (178, 914830), (196, 830815), (245, 664652), (356, 457415), (445, 365932), (490, 332326), (623, 261380), (890, 182966), (980, 166163), (1246, 130690), (1780, 91483), (1867, 87220), (2492, 65345), (3115, 52276), (3734, 43610), (4361, 37340), (6230, 26138), (7468, 21805), (8722, 18670), (9335, 17444), (12460, 13069)]