397345860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{521}}^1$

素因数の和:778

約数の個数: 144

約数和(自身を含む): 1276853760

約数和(自身を除く): 879507900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 223, 228, 285, 342, 380, 446, 521, 570, 669, 684, 855, 892, 1042, 1115, 1140, 1338, 1563, 1710, 2007, 2084, 2230, 2605, 2676, 3126, 3345, 3420, 4014, 4237, 4460, 4689, 5210, 6252, 6690, 7815, 8028, 8474, 9378, 9899, 10035, 10420, 12711, 13380, 15630, 16948, 18756, 19798, 20070, 21185, 23445, 25422, 29697, 31260, 38133, 39596, 40140, 42370, 46890, 49495, 50844, 59394, 63555, 76266, 84740, 89091, 93780, 98990, 116183, 118788, 127110, 148485, 152532, 178182, 190665, 197980, 232366, 254220, 296970, 348549, 356364, 381330, 445455, 464732, 580915, 593940, 697098, 762660, 890910, 1045647, 1161830, 1394196, 1742745, 1781820, 2091294, 2207477, 2323660, 3485490, 4182588, 4414954, 5228235, 6622431, 6970980, 8829908, 10456470, 11037385, 13244862, 19867293, 20912940, 22074770, 26489724, 33112155, 39734586, 44149540, 66224310, 79469172, 99336465, 132448620, 198672930, 397345860]

約数ペア:

[(1, 397345860), (2, 198672930), (3, 132448620), (4, 99336465), (5, 79469172), (6, 66224310), (9, 44149540), (10, 39734586), (12, 33112155), (15, 26489724), (18, 22074770), (19, 20912940), (20, 19867293), (30, 13244862), (36, 11037385), (38, 10456470), (45, 8829908), (57, 6970980), (60, 6622431), (76, 5228235), (90, 4414954), (95, 4182588), (114, 3485490), (171, 2323660), (180, 2207477), (190, 2091294), (223, 1781820), (228, 1742745), (285, 1394196), (342, 1161830), (380, 1045647), (446, 890910), (521, 762660), (570, 697098), (669, 593940), (684, 580915), (855, 464732), (892, 445455), (1042, 381330), (1115, 356364), (1140, 348549), (1338, 296970), (1563, 254220), (1710, 232366), (2007, 197980), (2084, 190665), (2230, 178182), (2605, 152532), (2676, 148485), (3126, 127110), (3345, 118788), (3420, 116183), (4014, 98990), (4237, 93780), (4460, 89091), (4689, 84740), (5210, 76266), (6252, 63555), (6690, 59394), (7815, 50844), (8028, 49495), (8474, 46890), (9378, 42370), (9899, 40140), (10035, 39596), (10420, 38133), (12711, 31260), (13380, 29697), (15630, 25422), (16948, 23445), (18756, 21185), (19798, 20070)]