2987903380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{8941}}^1$

素因数の和:9006

約数の個数: 144

約数和(自身を含む): 8220344832

約数和(自身を除く): 5232441452

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 49, 55, 62, 70, 77, 98, 110, 124, 140, 154, 155, 196, 217, 220, 245, 308, 310, 341, 385, 434, 490, 539, 620, 682, 770, 868, 980, 1078, 1085, 1364, 1519, 1540, 1705, 2156, 2170, 2387, 2695, 3038, 3410, 4340, 4774, 5390, 6076, 6820, 7595, 8941, 9548, 10780, 11935, 15190, 16709, 17882, 23870, 30380, 33418, 35764, 44705, 47740, 62587, 66836, 83545, 89410, 98351, 125174, 167090, 178820, 196702, 250348, 277171, 312935, 334180, 393404, 438109, 491755, 554342, 625870, 688457, 876218, 983510, 1108684, 1251740, 1376914, 1385855, 1752436, 1940197, 1967020, 2190545, 2753828, 2771710, 3048881, 3442285, 3880394, 4381090, 4819199, 5543420, 6097762, 6884570, 7760788, 8762180, 9638398, 9700985, 12195524, 13581379, 13769140, 15244405, 19276796, 19401970, 21342167, 24095995, 27162758, 30488810, 38803940, 42684334, 48191990, 54325516, 60977620, 67906895, 85368668, 96383980, 106710835, 135813790, 149395169, 213421670, 271627580, 298790338, 426843340, 597580676, 746975845, 1493951690, 2987903380]

約数ペア:

[(1, 2987903380), (2, 1493951690), (4, 746975845), (5, 597580676), (7, 426843340), (10, 298790338), (11, 271627580), (14, 213421670), (20, 149395169), (22, 135813790), (28, 106710835), (31, 96383980), (35, 85368668), (44, 67906895), (49, 60977620), (55, 54325516), (62, 48191990), (70, 42684334), (77, 38803940), (98, 30488810), (110, 27162758), (124, 24095995), (140, 21342167), (154, 19401970), (155, 19276796), (196, 15244405), (217, 13769140), (220, 13581379), (245, 12195524), (308, 9700985), (310, 9638398), (341, 8762180), (385, 7760788), (434, 6884570), (490, 6097762), (539, 5543420), (620, 4819199), (682, 4381090), (770, 3880394), (868, 3442285), (980, 3048881), (1078, 2771710), (1085, 2753828), (1364, 2190545), (1519, 1967020), (1540, 1940197), (1705, 1752436), (2156, 1385855), (2170, 1376914), (2387, 1251740), (2695, 1108684), (3038, 983510), (3410, 876218), (4340, 688457), (4774, 625870), (5390, 554342), (6076, 491755), (6820, 438109), (7595, 393404), (8941, 334180), (9548, 312935), (10780, 277171), (11935, 250348), (15190, 196702), (16709, 178820), (17882, 167090), (23870, 125174), (30380, 98351), (33418, 89410), (35764, 83545), (44705, 66836), (47740, 62587)]