1381990656400

素因数分解:

$2^4\times 5^2\times {\mathrm{983}}^1\times {\mathrm{1613}}^1\times {\mathrm{2179}}^1$

素因数の和:4793

約数の個数: 120

約数和(自身を含む): 3327196956480

約数和(自身を除く): 1945206300080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 983, 1613, 1966, 2179, 3226, 3932, 4358, 4915, 6452, 7864, 8065, 8716, 9830, 10895, 12904, 15728, 16130, 17432, 19660, 21790, 24575, 25808, 32260, 34864, 39320, 40325, 43580, 49150, 54475, 64520, 78640, 80650, 87160, 98300, 108950, 129040, 161300, 174320, 196600, 217900, 322600, 393200, 435800, 645200, 871600, 1585579, 2141957, 3171158, 3514727, 4283914, 6342316, 7029454, 7927895, 8567828, 10709785, 12684632, 14058908, 15855790, 17135656, 17573635, 21419570, 25369264, 28117816, 31711580, 34271312, 35147270, 39639475, 42839140, 53548925, 56235632, 63423160, 70294540, 79278950, 85678280, 87868175, 107097850, 126846320, 140589080, 158557900, 171356560, 175736350, 214195700, 281178160, 317115800, 351472700, 428391400, 634231600, 702945400, 856782800, 1405890800, 3454976641, 6909953282, 13819906564, 17274883205, 27639813128, 34549766410, 55279626256, 69099532820, 86374416025, 138199065640, 172748832050, 276398131280, 345497664100, 690995328200, 1381990656400]

約数ペア:

[(1, 1381990656400), (2, 690995328200), (4, 345497664100), (5, 276398131280), (8, 172748832050), (10, 138199065640), (16, 86374416025), (20, 69099532820), (25, 55279626256), (40, 34549766410), (50, 27639813128), (80, 17274883205), (100, 13819906564), (200, 6909953282), (400, 3454976641), (983, 1405890800), (1613, 856782800), (1966, 702945400), (2179, 634231600), (3226, 428391400), (3932, 351472700), (4358, 317115800), (4915, 281178160), (6452, 214195700), (7864, 175736350), (8065, 171356560), (8716, 158557900), (9830, 140589080), (10895, 126846320), (12904, 107097850), (15728, 87868175), (16130, 85678280), (17432, 79278950), (19660, 70294540), (21790, 63423160), (24575, 56235632), (25808, 53548925), (32260, 42839140), (34864, 39639475), (39320, 35147270), (40325, 34271312), (43580, 31711580), (49150, 28117816), (54475, 25369264), (64520, 21419570), (78640, 17573635), (80650, 17135656), (87160, 15855790), (98300, 14058908), (108950, 12684632), (129040, 10709785), (161300, 8567828), (174320, 7927895), (196600, 7029454), (217900, 6342316), (322600, 4283914), (393200, 3514727), (435800, 3171158), (645200, 2141957), (871600, 1585579)]