211987860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10739}}^1$

素因数の和:10805

約数の個数: 96

約数和(自身を含む): 692858880

約数和(自身を除く): 480871020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 235, 282, 329, 420, 470, 564, 658, 705, 940, 987, 1316, 1410, 1645, 1974, 2820, 3290, 3948, 4935, 6580, 9870, 10739, 19740, 21478, 32217, 42956, 53695, 64434, 75173, 107390, 128868, 150346, 161085, 214780, 225519, 300692, 322170, 375865, 451038, 504733, 644340, 751730, 902076, 1009466, 1127595, 1503460, 1514199, 2018932, 2255190, 2523665, 3028398, 3533131, 4510380, 5047330, 6056796, 7066262, 7570995, 10094660, 10599393, 14132524, 15141990, 17665655, 21198786, 30283980, 35331310, 42397572, 52996965, 70662620, 105993930, 211987860]

約数ペア:

[(1, 211987860), (2, 105993930), (3, 70662620), (4, 52996965), (5, 42397572), (6, 35331310), (7, 30283980), (10, 21198786), (12, 17665655), (14, 15141990), (15, 14132524), (20, 10599393), (21, 10094660), (28, 7570995), (30, 7066262), (35, 6056796), (42, 5047330), (47, 4510380), (60, 3533131), (70, 3028398), (84, 2523665), (94, 2255190), (105, 2018932), (140, 1514199), (141, 1503460), (188, 1127595), (210, 1009466), (235, 902076), (282, 751730), (329, 644340), (420, 504733), (470, 451038), (564, 375865), (658, 322170), (705, 300692), (940, 225519), (987, 214780), (1316, 161085), (1410, 150346), (1645, 128868), (1974, 107390), (2820, 75173), (3290, 64434), (3948, 53695), (4935, 42956), (6580, 32217), (9870, 21478), (10739, 19740)]