12446980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{977}}^1$

素因数の和:1013

約数の個数: 72

約数和(自身を含む): 32778648

約数和(自身を除く): 20331668

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 977, 980, 1274, 1820, 1954, 2548, 3185, 3908, 4885, 6370, 6839, 9770, 12701, 12740, 13678, 19540, 25402, 27356, 34195, 47873, 50804, 63505, 68390, 88907, 95746, 127010, 136780, 177814, 191492, 239365, 254020, 355628, 444535, 478730, 622349, 889070, 957460, 1244698, 1778140, 2489396, 3111745, 6223490, 12446980]

約数ペア:

[(1, 12446980), (2, 6223490), (4, 3111745), (5, 2489396), (7, 1778140), (10, 1244698), (13, 957460), (14, 889070), (20, 622349), (26, 478730), (28, 444535), (35, 355628), (49, 254020), (52, 239365), (65, 191492), (70, 177814), (91, 136780), (98, 127010), (130, 95746), (140, 88907), (182, 68390), (196, 63505), (245, 50804), (260, 47873), (364, 34195), (455, 27356), (490, 25402), (637, 19540), (910, 13678), (977, 12740), (980, 12701), (1274, 9770), (1820, 6839), (1954, 6370), (2548, 4885), (3185, 3908)]