199911870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{907}}^1$

素因数の和:1030

約数の個数: 96

約数和(自身を含む): 543928320

約数和(自身を除く): 344016450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 79, 90, 93, 155, 158, 186, 237, 279, 310, 395, 465, 474, 558, 711, 790, 907, 930, 1185, 1395, 1422, 1814, 2370, 2449, 2721, 2790, 3555, 4535, 4898, 5442, 7110, 7347, 8163, 9070, 12245, 13605, 14694, 16326, 22041, 24490, 27210, 28117, 36735, 40815, 44082, 56234, 71653, 73470, 81630, 84351, 110205, 140585, 143306, 168702, 214959, 220410, 253053, 281170, 358265, 421755, 429918, 506106, 644877, 716530, 843510, 1074795, 1265265, 1289754, 2149590, 2221243, 2530530, 3224385, 4442486, 6448770, 6663729, 11106215, 13327458, 19991187, 22212430, 33318645, 39982374, 66637290, 99955935, 199911870]

約数ペア:

[(1, 199911870), (2, 99955935), (3, 66637290), (5, 39982374), (6, 33318645), (9, 22212430), (10, 19991187), (15, 13327458), (18, 11106215), (30, 6663729), (31, 6448770), (45, 4442486), (62, 3224385), (79, 2530530), (90, 2221243), (93, 2149590), (155, 1289754), (158, 1265265), (186, 1074795), (237, 843510), (279, 716530), (310, 644877), (395, 506106), (465, 429918), (474, 421755), (558, 358265), (711, 281170), (790, 253053), (907, 220410), (930, 214959), (1185, 168702), (1395, 143306), (1422, 140585), (1814, 110205), (2370, 84351), (2449, 81630), (2721, 73470), (2790, 71653), (3555, 56234), (4535, 44082), (4898, 40815), (5442, 36735), (7110, 28117), (7347, 27210), (8163, 24490), (9070, 22041), (12245, 16326), (13605, 14694)]