198740100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 625584960

約数和(自身を除く): 426844860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 131, 150, 156, 195, 260, 262, 300, 325, 389, 390, 393, 524, 650, 655, 778, 780, 786, 975, 1167, 1300, 1310, 1556, 1572, 1703, 1945, 1950, 1965, 2334, 2620, 3275, 3406, 3890, 3900, 3930, 4668, 5057, 5109, 5835, 6550, 6812, 7780, 7860, 8515, 9725, 9825, 10114, 10218, 11670, 13100, 15171, 17030, 19450, 19650, 20228, 20436, 23340, 25285, 25545, 29175, 30342, 34060, 38900, 39300, 42575, 50570, 50959, 51090, 58350, 60684, 75855, 85150, 101140, 101918, 102180, 116700, 126425, 127725, 151710, 152877, 170300, 203836, 252850, 254795, 255450, 303420, 305754, 379275, 505700, 509590, 510900, 611508, 662467, 758550, 764385, 1019180, 1273975, 1324934, 1517100, 1528770, 1987401, 2547950, 2649868, 3057540, 3312335, 3821925, 3974802, 5095900, 6624670, 7643850, 7949604, 9937005, 13249340, 15287700, 16561675, 19874010, 33123350, 39748020, 49685025, 66246700, 99370050, 198740100]

約数ペア:

[(1, 198740100), (2, 99370050), (3, 66246700), (4, 49685025), (5, 39748020), (6, 33123350), (10, 19874010), (12, 16561675), (13, 15287700), (15, 13249340), (20, 9937005), (25, 7949604), (26, 7643850), (30, 6624670), (39, 5095900), (50, 3974802), (52, 3821925), (60, 3312335), (65, 3057540), (75, 2649868), (78, 2547950), (100, 1987401), (130, 1528770), (131, 1517100), (150, 1324934), (156, 1273975), (195, 1019180), (260, 764385), (262, 758550), (300, 662467), (325, 611508), (389, 510900), (390, 509590), (393, 505700), (524, 379275), (650, 305754), (655, 303420), (778, 255450), (780, 254795), (786, 252850), (975, 203836), (1167, 170300), (1300, 152877), (1310, 151710), (1556, 127725), (1572, 126425), (1703, 116700), (1945, 102180), (1950, 101918), (1965, 101140), (2334, 85150), (2620, 75855), (3275, 60684), (3406, 58350), (3890, 51090), (3900, 50959), (3930, 50570), (4668, 42575), (5057, 39300), (5109, 38900), (5835, 34060), (6550, 30342), (6812, 29175), (7780, 25545), (7860, 25285), (8515, 23340), (9725, 20436), (9825, 20228), (10114, 19650), (10218, 19450), (11670, 17030), (13100, 15171)]