645463490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{2099}}^1$

素因数の和:2327

約数の個数: 64

約数和(自身を含む): 1393459200

約数和(自身を除く): 747995710

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 191, 230, 322, 382, 805, 955, 1337, 1610, 1910, 2099, 2674, 4198, 4393, 6685, 8786, 10495, 13370, 14693, 20990, 21965, 29386, 30751, 43930, 48277, 61502, 73465, 96554, 146930, 153755, 241385, 307510, 337939, 400909, 482770, 675878, 801818, 1689695, 2004545, 2806363, 3379390, 4009090, 5612726, 9220907, 14031815, 18441814, 28063630, 46104535, 64546349, 92209070, 129092698, 322731745, 645463490]

約数ペア:

[(1, 645463490), (2, 322731745), (5, 129092698), (7, 92209070), (10, 64546349), (14, 46104535), (23, 28063630), (35, 18441814), (46, 14031815), (70, 9220907), (115, 5612726), (161, 4009090), (191, 3379390), (230, 2806363), (322, 2004545), (382, 1689695), (805, 801818), (955, 675878), (1337, 482770), (1610, 400909), (1910, 337939), (2099, 307510), (2674, 241385), (4198, 153755), (4393, 146930), (6685, 96554), (8786, 73465), (10495, 61502), (13370, 48277), (14693, 43930), (20990, 30751), (21965, 29386)]