156931849420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{673}}^1\times {\mathrm{40343}}^1$

素因数の和:41059

約数の個数: 72

約数和(自身を含む): 350611791264

約数和(自身を除く): 193679941844

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 673, 1156, 1346, 1445, 2692, 2890, 3365, 5780, 6730, 11441, 13460, 22882, 40343, 45764, 57205, 80686, 114410, 161372, 194497, 201715, 228820, 388994, 403430, 685831, 777988, 806860, 972485, 1371662, 1944970, 2743324, 3429155, 3889940, 6858310, 11659127, 13716620, 23318254, 27150839, 46636508, 54301678, 58295635, 108603356, 116591270, 135754195, 233182540, 271508390, 461564263, 543016780, 923128526, 1846257052, 2307821315, 4615642630, 7846592471, 9231285260, 15693184942, 31386369884, 39232962355, 78465924710, 156931849420]

約数ペア:

[(1, 156931849420), (2, 78465924710), (4, 39232962355), (5, 31386369884), (10, 15693184942), (17, 9231285260), (20, 7846592471), (34, 4615642630), (68, 2307821315), (85, 1846257052), (170, 923128526), (289, 543016780), (340, 461564263), (578, 271508390), (673, 233182540), (1156, 135754195), (1346, 116591270), (1445, 108603356), (2692, 58295635), (2890, 54301678), (3365, 46636508), (5780, 27150839), (6730, 23318254), (11441, 13716620), (13460, 11659127), (22882, 6858310), (40343, 3889940), (45764, 3429155), (57205, 2743324), (80686, 1944970), (114410, 1371662), (161372, 972485), (194497, 806860), (201715, 777988), (228820, 685831), (388994, 403430)]