28170197240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1195679}}^1$

素因数の和:1195740

約数の個数: 64

約数和(自身を含む): 68871168000

約数和(自身を除く): 40700970760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 4712, 5890, 11780, 23560, 1195679, 2391358, 4782716, 5978395, 9565432, 11956790, 22717901, 23913580, 37066049, 45435802, 47827160, 74132098, 90871604, 113589505, 148264196, 181743208, 185330245, 227179010, 296528392, 370660490, 454358020, 704254931, 741320980, 908716040, 1408509862, 1482641960, 2817019724, 3521274655, 5634039448, 7042549310, 14085098620, 28170197240]

約数ペア:

[(1, 28170197240), (2, 14085098620), (4, 7042549310), (5, 5634039448), (8, 3521274655), (10, 2817019724), (19, 1482641960), (20, 1408509862), (31, 908716040), (38, 741320980), (40, 704254931), (62, 454358020), (76, 370660490), (95, 296528392), (124, 227179010), (152, 185330245), (155, 181743208), (190, 148264196), (248, 113589505), (310, 90871604), (380, 74132098), (589, 47827160), (620, 45435802), (760, 37066049), (1178, 23913580), (1240, 22717901), (2356, 11956790), (2945, 9565432), (4712, 5978395), (5890, 4782716), (11780, 2391358), (23560, 1195679)]