1981513.00000000

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:635

約数の個数: 216

約数和(自身を含む): 365994720

約数和(自身を除く): 267625260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 171, 180, 190, 196, 210, 228, 245, 252, 266, 285, 294, 315, 342, 380, 399, 420, 441, 490, 532, 570, 587, 588, 630, 665, 684, 735, 798, 855, 882, 931, 980, 1140, 1174, 1197, 1260, 1330, 1470, 1596, 1710, 1761, 1764, 1862, 1995, 2205, 2348, 2394, 2660, 2793, 2935, 2940, 3420, 3522, 3724, 3990, 4109, 4410, 4655, 4788, 5283, 5586, 5870, 5985, 7044, 7980, 8218, 8379, 8805, 8820, 9310, 10566, 11153, 11172, 11740, 11970, 12327, 13965, 16436, 16758, 17610, 18620, 20545, 21132, 22306, 23940, 24654, 26415, 27930, 28763, 33459, 33516, 35220, 36981, 41090, 41895, 44612, 49308, 52830, 55765, 55860, 57526, 61635, 66918, 73962, 78071, 82180, 83790, 86289, 100377, 105660, 111530, 115052, 123270, 133836, 143815, 147924, 156142, 167295, 167580, 172578, 184905, 200754, 223060, 234213, 246540, 258867, 287630, 312284, 334590, 345156, 369810, 390355, 401508, 431445, 468426, 501885, 517734, 546497, 575260, 669180, 702639, 739620, 780710, 862890, 936852, 1003770, 1035468, 1092994, 1171065, 1294335, 1405278, 1561420, 1639491, 1725780, 2007540, 2185988, 2342130, 2588670, 2732485, 2810556, 3278982, 3513195, 4684260, 4918473, 5177340, 5464970, 6557964, 7026390, 8197455, 9836946, 10929940, 14052780, 16394910, 19673892, 24592365, 32789820, 49184730, 98369460]

約数ペア:

[(1, 98369460), (2, 49184730), (3, 32789820), (4, 24592365), (5, 19673892), (6, 16394910), (7, 14052780), (9, 10929940), (10, 9836946), (12, 8197455), (14, 7026390), (15, 6557964), (18, 5464970), (19, 5177340), (20, 4918473), (21, 4684260), (28, 3513195), (30, 3278982), (35, 2810556), (36, 2732485), (38, 2588670), (42, 2342130), (45, 2185988), (49, 2007540), (57, 1725780), (60, 1639491), (63, 1561420), (70, 1405278), (76, 1294335), (84, 1171065), (90, 1092994), (95, 1035468), (98, 1003770), (105, 936852), (114, 862890), (126, 780710), (133, 739620), (140, 702639), (147, 669180), (171, 575260), (180, 546497), (190, 517734), (196, 501885), (210, 468426), (228, 431445), (245, 401508), (252, 390355), (266, 369810), (285, 345156), (294, 334590), (315, 312284), (342, 287630), (380, 258867), (399, 246540), (420, 234213), (441, 223060), (490, 200754), (532, 184905), (570, 172578), (587, 167580), (588, 167295), (630, 156142), (665, 147924), (684, 143815), (735, 133836), (798, 123270), (855, 115052), (882, 111530), (931, 105660), (980, 100377), (1140, 86289), (1174, 83790), (1197, 82180), (1260, 78071), (1330, 73962), (1470, 66918), (1596, 61635), (1710, 57526), (1761, 55860), (1764, 55765), (1862, 52830), (1995, 49308), (2205, 44612), (2348, 41895), (2394, 41090), (2660, 36981), (2793, 35220), (2935, 33516), (2940, 33459), (3420, 28763), (3522, 27930), (3724, 26415), (3990, 24654), (4109, 23940), (4410, 22306), (4655, 21132), (4788, 20545), (5283, 18620), (5586, 17610), (5870, 16758), (5985, 16436), (7044, 13965), (7980, 12327), (8218, 11970), (8379, 11740), (8805, 11172), (8820, 11153), (9310, 10566)]