78423170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 166233600

約数和(自身を除く): 87810430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 103, 146, 149, 206, 298, 365, 511, 515, 721, 730, 745, 1022, 1030, 1043, 1442, 1490, 2086, 2555, 3605, 5110, 5215, 7210, 7519, 10430, 10877, 15038, 15347, 21754, 30694, 37595, 52633, 54385, 75190, 76139, 76735, 105266, 107429, 108770, 152278, 153470, 214858, 263165, 380695, 526330, 537145, 761390, 1074290, 1120331, 2240662, 5601655, 7842317, 11203310, 15684634, 39211585, 78423170]

約数ペア:

[(1, 78423170), (2, 39211585), (5, 15684634), (7, 11203310), (10, 7842317), (14, 5601655), (35, 2240662), (70, 1120331), (73, 1074290), (103, 761390), (146, 537145), (149, 526330), (206, 380695), (298, 263165), (365, 214858), (511, 153470), (515, 152278), (721, 108770), (730, 107429), (745, 105266), (1022, 76735), (1030, 76139), (1043, 75190), (1442, 54385), (1490, 52633), (2086, 37595), (2555, 30694), (3605, 21754), (5110, 15347), (5215, 15038), (7210, 10877), (7519, 10430)]