3978889180

素因数分解:

$2^2\times 5^1\times 7^6\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:159

約数の個数: 168

約数和(自身を含む): 10376629200

約数和(自身を除く): 6397740020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 89, 95, 98, 133, 140, 178, 190, 196, 245, 266, 343, 356, 380, 445, 490, 532, 623, 665, 686, 890, 931, 980, 1246, 1330, 1372, 1691, 1715, 1780, 1862, 2401, 2492, 2660, 3115, 3382, 3430, 3724, 4361, 4655, 4802, 6230, 6517, 6764, 6860, 8455, 8722, 9310, 9604, 11837, 12005, 12460, 13034, 16807, 16910, 17444, 18620, 21805, 23674, 24010, 26068, 30527, 32585, 33614, 33820, 43610, 45619, 47348, 48020, 59185, 61054, 65170, 67228, 82859, 84035, 87220, 91238, 117649, 118370, 122108, 130340, 152635, 165718, 168070, 182476, 213689, 228095, 235298, 236740, 305270, 319333, 331436, 336140, 414295, 427378, 456190, 470596, 580013, 588245, 610540, 638666, 828590, 854756, 912380, 1068445, 1160026, 1176490, 1277332, 1495823, 1596665, 1657180, 2136890, 2235331, 2320052, 2352980, 2900065, 2991646, 3193330, 4060091, 4273780, 4470662, 5800130, 5983292, 6386660, 7479115, 8120182, 8941324, 10470761, 11176655, 11600260, 14958230, 16240364, 20300455, 20941522, 22353310, 28420637, 29916460, 40600910, 41883044, 44706620, 52353805, 56841274, 81201820, 104707610, 113682548, 142103185, 198944459, 209415220, 284206370, 397888918, 568412740, 795777836, 994722295, 1989444590, 3978889180]

約数ペア:

[(1, 3978889180), (2, 1989444590), (4, 994722295), (5, 795777836), (7, 568412740), (10, 397888918), (14, 284206370), (19, 209415220), (20, 198944459), (28, 142103185), (35, 113682548), (38, 104707610), (49, 81201820), (70, 56841274), (76, 52353805), (89, 44706620), (95, 41883044), (98, 40600910), (133, 29916460), (140, 28420637), (178, 22353310), (190, 20941522), (196, 20300455), (245, 16240364), (266, 14958230), (343, 11600260), (356, 11176655), (380, 10470761), (445, 8941324), (490, 8120182), (532, 7479115), (623, 6386660), (665, 5983292), (686, 5800130), (890, 4470662), (931, 4273780), (980, 4060091), (1246, 3193330), (1330, 2991646), (1372, 2900065), (1691, 2352980), (1715, 2320052), (1780, 2235331), (1862, 2136890), (2401, 1657180), (2492, 1596665), (2660, 1495823), (3115, 1277332), (3382, 1176490), (3430, 1160026), (3724, 1068445), (4361, 912380), (4655, 854756), (4802, 828590), (6230, 638666), (6517, 610540), (6764, 588245), (6860, 580013), (8455, 470596), (8722, 456190), (9310, 427378), (9604, 414295), (11837, 336140), (12005, 331436), (12460, 319333), (13034, 305270), (16807, 236740), (16910, 235298), (17444, 228095), (18620, 213689), (21805, 182476), (23674, 168070), (24010, 165718), (26068, 152635), (30527, 130340), (32585, 122108), (33614, 118370), (33820, 117649), (43610, 91238), (45619, 87220), (47348, 84035), (48020, 82859), (59185, 67228), (61054, 65170)]