71311940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 193560192

約数和(自身を除く): 122248252

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 68, 70, 76, 83, 85, 95, 119, 133, 140, 166, 170, 190, 238, 266, 323, 332, 340, 361, 380, 415, 476, 532, 581, 595, 646, 665, 722, 830, 1162, 1190, 1292, 1330, 1411, 1444, 1577, 1615, 1660, 1805, 2261, 2324, 2380, 2527, 2660, 2822, 2905, 3154, 3230, 3610, 4522, 5054, 5644, 5810, 6137, 6308, 6460, 7055, 7220, 7885, 9044, 9877, 10108, 11039, 11305, 11620, 12274, 12635, 14110, 15770, 19754, 22078, 22610, 24548, 25270, 26809, 28220, 29963, 30685, 31540, 39508, 42959, 44156, 45220, 49385, 50540, 53618, 55195, 59926, 61370, 85918, 98770, 107236, 110390, 119852, 122740, 134045, 149815, 171836, 187663, 197540, 209741, 214795, 220780, 268090, 299630, 375326, 419482, 429590, 509371, 536180, 599260, 750652, 838964, 859180, 938315, 1018742, 1048705, 1876630, 2037484, 2097410, 2546855, 3565597, 3753260, 4194820, 5093710, 7131194, 10187420, 14262388, 17827985, 35655970, 71311940]

約数ペア:

[(1, 71311940), (2, 35655970), (4, 17827985), (5, 14262388), (7, 10187420), (10, 7131194), (14, 5093710), (17, 4194820), (19, 3753260), (20, 3565597), (28, 2546855), (34, 2097410), (35, 2037484), (38, 1876630), (68, 1048705), (70, 1018742), (76, 938315), (83, 859180), (85, 838964), (95, 750652), (119, 599260), (133, 536180), (140, 509371), (166, 429590), (170, 419482), (190, 375326), (238, 299630), (266, 268090), (323, 220780), (332, 214795), (340, 209741), (361, 197540), (380, 187663), (415, 171836), (476, 149815), (532, 134045), (581, 122740), (595, 119852), (646, 110390), (665, 107236), (722, 98770), (830, 85918), (1162, 61370), (1190, 59926), (1292, 55195), (1330, 53618), (1411, 50540), (1444, 49385), (1577, 45220), (1615, 44156), (1660, 42959), (1805, 39508), (2261, 31540), (2324, 30685), (2380, 29963), (2527, 28220), (2660, 26809), (2822, 25270), (2905, 24548), (3154, 22610), (3230, 22078), (3610, 19754), (4522, 15770), (5054, 14110), (5644, 12635), (5810, 12274), (6137, 11620), (6308, 11305), (6460, 11039), (7055, 10108), (7220, 9877), (7885, 9044)]