138975690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:668

約数の個数: 128

約数和(自身を含む): 408545280

約数和(自身を除く): 269569590

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 61, 70, 95, 105, 114, 122, 133, 183, 190, 210, 266, 285, 305, 366, 399, 427, 570, 571, 610, 665, 798, 854, 915, 1142, 1159, 1281, 1330, 1713, 1830, 1995, 2135, 2318, 2562, 2855, 3426, 3477, 3990, 3997, 4270, 5710, 5795, 6405, 6954, 7994, 8113, 8565, 10849, 11590, 11991, 12810, 16226, 17130, 17385, 19985, 21698, 23982, 24339, 32547, 34770, 34831, 39970, 40565, 48678, 54245, 59955, 65094, 69662, 75943, 81130, 104493, 108490, 119910, 121695, 151886, 162735, 174155, 208986, 227829, 243390, 243817, 325470, 348310, 379715, 455658, 487634, 522465, 661789, 731451, 759430, 1044930, 1139145, 1219085, 1323578, 1462902, 1985367, 2278290, 2438170, 3308945, 3657255, 3970734, 4632523, 6617890, 7314510, 9265046, 9926835, 13897569, 19853670, 23162615, 27795138, 46325230, 69487845, 138975690]

約数ペア:

[(1, 138975690), (2, 69487845), (3, 46325230), (5, 27795138), (6, 23162615), (7, 19853670), (10, 13897569), (14, 9926835), (15, 9265046), (19, 7314510), (21, 6617890), (30, 4632523), (35, 3970734), (38, 3657255), (42, 3308945), (57, 2438170), (61, 2278290), (70, 1985367), (95, 1462902), (105, 1323578), (114, 1219085), (122, 1139145), (133, 1044930), (183, 759430), (190, 731451), (210, 661789), (266, 522465), (285, 487634), (305, 455658), (366, 379715), (399, 348310), (427, 325470), (570, 243817), (571, 243390), (610, 227829), (665, 208986), (798, 174155), (854, 162735), (915, 151886), (1142, 121695), (1159, 119910), (1281, 108490), (1330, 104493), (1713, 81130), (1830, 75943), (1995, 69662), (2135, 65094), (2318, 59955), (2562, 54245), (2855, 48678), (3426, 40565), (3477, 39970), (3990, 34831), (3997, 34770), (4270, 32547), (5710, 24339), (5795, 23982), (6405, 21698), (6954, 19985), (7994, 17385), (8113, 17130), (8565, 16226), (10849, 12810), (11590, 11991)]