78208970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1567}}^1$

素因数の和:1635

約数の個数: 64

約数和(自身を含む): 173408256

約数和(自身を除く): 95199286

約数列:

[1, 2, 5, 7, 10, 14, 23, 31, 35, 46, 62, 70, 115, 155, 161, 217, 230, 310, 322, 434, 713, 805, 1085, 1426, 1567, 1610, 2170, 3134, 3565, 4991, 7130, 7835, 9982, 10969, 15670, 21938, 24955, 36041, 48577, 49910, 54845, 72082, 97154, 109690, 180205, 242885, 252287, 340039, 360410, 485770, 504574, 680078, 1117271, 1261435, 1700195, 2234542, 2522870, 3400390, 5586355, 7820897, 11172710, 15641794, 39104485, 78208970]

約数ペア:

[(1, 78208970), (2, 39104485), (5, 15641794), (7, 11172710), (10, 7820897), (14, 5586355), (23, 3400390), (31, 2522870), (35, 2234542), (46, 1700195), (62, 1261435), (70, 1117271), (115, 680078), (155, 504574), (161, 485770), (217, 360410), (230, 340039), (310, 252287), (322, 242885), (434, 180205), (713, 109690), (805, 97154), (1085, 72082), (1426, 54845), (1567, 49910), (1610, 48577), (2170, 36041), (3134, 24955), (3565, 21938), (4991, 15670), (7130, 10969), (7835, 9982)]