20199451300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{761}}^1\times {\mathrm{5417}}^1$

素因数の和:6206

約数の個数: 108

約数和(自身を含む): 51065614404

約数和(自身を除く): 30866163104

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 761, 980, 1225, 1522, 2450, 3044, 3805, 4900, 5327, 5417, 7610, 10654, 10834, 15220, 19025, 21308, 21668, 26635, 27085, 37289, 37919, 38050, 53270, 54170, 74578, 75838, 76100, 106540, 108340, 133175, 135425, 149156, 151676, 186445, 189595, 265433, 266350, 270850, 372890, 379190, 530866, 532700, 541700, 745780, 758380, 932225, 947975, 1061732, 1327165, 1864450, 1895950, 2654330, 3728900, 3791900, 4122337, 5308660, 6635825, 8244674, 13271650, 16489348, 20611685, 26543300, 28856359, 41223370, 57712718, 82446740, 103058425, 115425436, 144281795, 201994513, 206116850, 288563590, 403989026, 412233700, 577127180, 721408975, 807978052, 1009972565, 1442817950, 2019945130, 2885635900, 4039890260, 5049862825, 10099725650, 20199451300]

約数ペア:

[(1, 20199451300), (2, 10099725650), (4, 5049862825), (5, 4039890260), (7, 2885635900), (10, 2019945130), (14, 1442817950), (20, 1009972565), (25, 807978052), (28, 721408975), (35, 577127180), (49, 412233700), (50, 403989026), (70, 288563590), (98, 206116850), (100, 201994513), (140, 144281795), (175, 115425436), (196, 103058425), (245, 82446740), (350, 57712718), (490, 41223370), (700, 28856359), (761, 26543300), (980, 20611685), (1225, 16489348), (1522, 13271650), (2450, 8244674), (3044, 6635825), (3805, 5308660), (4900, 4122337), (5327, 3791900), (5417, 3728900), (7610, 2654330), (10654, 1895950), (10834, 1864450), (15220, 1327165), (19025, 1061732), (21308, 947975), (21668, 932225), (26635, 758380), (27085, 745780), (37289, 541700), (37919, 532700), (38050, 530866), (53270, 379190), (54170, 372890), (74578, 270850), (75838, 266350), (76100, 265433), (106540, 189595), (108340, 186445), (133175, 151676), (135425, 149156)]