401687530

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{509}}^1\times {\mathrm{1489}}^1$

素因数の和:2058

約数の個数: 32

約数和(自身を含む): 738622800

約数和(自身を除く): 336935270

約数列:

[1, 2, 5, 10, 53, 106, 265, 509, 530, 1018, 1489, 2545, 2978, 5090, 7445, 14890, 26977, 53954, 78917, 134885, 157834, 269770, 394585, 757901, 789170, 1515802, 3789505, 7579010, 40168753, 80337506, 200843765, 401687530]

約数ペア:

[(1, 401687530), (2, 200843765), (5, 80337506), (10, 40168753), (53, 7579010), (106, 3789505), (265, 1515802), (509, 789170), (530, 757901), (1018, 394585), (1489, 269770), (2545, 157834), (2978, 134885), (5090, 78917), (7445, 53954), (14890, 26977)]