193978980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4363}}^1$

素因数の和:4410

約数の個数: 144

約数和(自身を含む): 667168320

約数和(自身を除く): 473189340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 2223, 2340, 2470, 2964, 3420, 3705, 4363, 4446, 4940, 7410, 8726, 8892, 11115, 13089, 14820, 17452, 21815, 22230, 26178, 39267, 43630, 44460, 52356, 56719, 65445, 78534, 82897, 87260, 113438, 130890, 157068, 165794, 170157, 196335, 226876, 248691, 261780, 283595, 331588, 340314, 392670, 414485, 497382, 510471, 567190, 680628, 746073, 785340, 828970, 850785, 994764, 1020942, 1077661, 1134380, 1243455, 1492146, 1657940, 1701570, 2041884, 2155322, 2486910, 2552355, 2984292, 3232983, 3403140, 3730365, 4310644, 4973820, 5104710, 5388305, 6465966, 7460730, 9698949, 10209420, 10776610, 12931932, 14921460, 16164915, 19397898, 21553220, 32329830, 38795796, 48494745, 64659660, 96989490, 193978980]

約数ペア:

[(1, 193978980), (2, 96989490), (3, 64659660), (4, 48494745), (5, 38795796), (6, 32329830), (9, 21553220), (10, 19397898), (12, 16164915), (13, 14921460), (15, 12931932), (18, 10776610), (19, 10209420), (20, 9698949), (26, 7460730), (30, 6465966), (36, 5388305), (38, 5104710), (39, 4973820), (45, 4310644), (52, 3730365), (57, 3403140), (60, 3232983), (65, 2984292), (76, 2552355), (78, 2486910), (90, 2155322), (95, 2041884), (114, 1701570), (117, 1657940), (130, 1492146), (156, 1243455), (171, 1134380), (180, 1077661), (190, 1020942), (195, 994764), (228, 850785), (234, 828970), (247, 785340), (260, 746073), (285, 680628), (342, 567190), (380, 510471), (390, 497382), (468, 414485), (494, 392670), (570, 340314), (585, 331588), (684, 283595), (741, 261780), (780, 248691), (855, 226876), (988, 196335), (1140, 170157), (1170, 165794), (1235, 157068), (1482, 130890), (1710, 113438), (2223, 87260), (2340, 82897), (2470, 78534), (2964, 65445), (3420, 56719), (3705, 52356), (4363, 44460), (4446, 43630), (4940, 39267), (7410, 26178), (8726, 22230), (8892, 21815), (11115, 17452), (13089, 14820)]