208121820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{10739}}^1$

素因数の和:10787

約数の個数: 96

約数和(自身を含む): 649555200

約数和(自身を除く): 441433380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 969, 1020, 1140, 1292, 1615, 1938, 3230, 3876, 4845, 6460, 9690, 10739, 19380, 21478, 32217, 42956, 53695, 64434, 107390, 128868, 161085, 182563, 204041, 214780, 322170, 365126, 408082, 547689, 612123, 644340, 730252, 816164, 912815, 1020205, 1095378, 1224246, 1825630, 2040410, 2190756, 2448492, 2738445, 3060615, 3468697, 3651260, 4080820, 5476890, 6121230, 6937394, 10406091, 10953780, 12242460, 13874788, 17343485, 20812182, 34686970, 41624364, 52030455, 69373940, 104060910, 208121820]

約数ペア:

[(1, 208121820), (2, 104060910), (3, 69373940), (4, 52030455), (5, 41624364), (6, 34686970), (10, 20812182), (12, 17343485), (15, 13874788), (17, 12242460), (19, 10953780), (20, 10406091), (30, 6937394), (34, 6121230), (38, 5476890), (51, 4080820), (57, 3651260), (60, 3468697), (68, 3060615), (76, 2738445), (85, 2448492), (95, 2190756), (102, 2040410), (114, 1825630), (170, 1224246), (190, 1095378), (204, 1020205), (228, 912815), (255, 816164), (285, 730252), (323, 644340), (340, 612123), (380, 547689), (510, 408082), (570, 365126), (646, 322170), (969, 214780), (1020, 204041), (1140, 182563), (1292, 161085), (1615, 128868), (1938, 107390), (3230, 64434), (3876, 53695), (4845, 42956), (6460, 32217), (9690, 21478), (10739, 19380)]