1999461660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{11149}}^1$

素因数の和:11236

約数の個数: 144

約数和(自身を含む): 6619888800

約数和(自身を除く): 4620427140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 61, 70, 84, 98, 105, 122, 140, 147, 183, 196, 210, 244, 245, 294, 305, 366, 420, 427, 490, 588, 610, 732, 735, 854, 915, 980, 1220, 1281, 1470, 1708, 1830, 2135, 2562, 2940, 2989, 3660, 4270, 5124, 5978, 6405, 8540, 8967, 11149, 11956, 12810, 14945, 17934, 22298, 25620, 29890, 33447, 35868, 44596, 44835, 55745, 59780, 66894, 78043, 89670, 111490, 133788, 156086, 167235, 179340, 222980, 234129, 312172, 334470, 390215, 468258, 546301, 668940, 680089, 780430, 936516, 1092602, 1170645, 1360178, 1560860, 1638903, 2040267, 2185204, 2341290, 2720356, 2731505, 3277806, 3400445, 4080534, 4682580, 4760623, 5463010, 6555612, 6800890, 8161068, 8194515, 9521246, 10201335, 10926020, 13601780, 14281869, 16389030, 19042492, 20402670, 23803115, 28563738, 32778060, 33324361, 40805340, 47606230, 57127476, 66648722, 71409345, 95212460, 99973083, 133297444, 142818690, 166621805, 199946166, 285637380, 333243610, 399892332, 499865415, 666487220, 999730830, 1999461660]

約数ペア:

[(1, 1999461660), (2, 999730830), (3, 666487220), (4, 499865415), (5, 399892332), (6, 333243610), (7, 285637380), (10, 199946166), (12, 166621805), (14, 142818690), (15, 133297444), (20, 99973083), (21, 95212460), (28, 71409345), (30, 66648722), (35, 57127476), (42, 47606230), (49, 40805340), (60, 33324361), (61, 32778060), (70, 28563738), (84, 23803115), (98, 20402670), (105, 19042492), (122, 16389030), (140, 14281869), (147, 13601780), (183, 10926020), (196, 10201335), (210, 9521246), (244, 8194515), (245, 8161068), (294, 6800890), (305, 6555612), (366, 5463010), (420, 4760623), (427, 4682580), (490, 4080534), (588, 3400445), (610, 3277806), (732, 2731505), (735, 2720356), (854, 2341290), (915, 2185204), (980, 2040267), (1220, 1638903), (1281, 1560860), (1470, 1360178), (1708, 1170645), (1830, 1092602), (2135, 936516), (2562, 780430), (2940, 680089), (2989, 668940), (3660, 546301), (4270, 468258), (5124, 390215), (5978, 334470), (6405, 312172), (8540, 234129), (8967, 222980), (11149, 179340), (11956, 167235), (12810, 156086), (14945, 133788), (17934, 111490), (22298, 89670), (25620, 78043), (29890, 66894), (33447, 59780), (35868, 55745), (44596, 44835)]