90631970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1039}}^1$

素因数の和:1131

約数の個数: 64

約数和(自身を含む): 194987520

約数和(自身を除く): 104355550

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 61, 65, 110, 122, 130, 143, 286, 305, 610, 671, 715, 793, 1039, 1342, 1430, 1586, 2078, 3355, 3965, 5195, 6710, 7930, 8723, 10390, 11429, 13507, 17446, 22858, 27014, 43615, 57145, 63379, 67535, 87230, 114290, 126758, 135070, 148577, 297154, 316895, 633790, 697169, 742885, 823927, 1394338, 1485770, 1647854, 3485845, 4119635, 6971690, 8239270, 9063197, 18126394, 45315985, 90631970]

約数ペア:

[(1, 90631970), (2, 45315985), (5, 18126394), (10, 9063197), (11, 8239270), (13, 6971690), (22, 4119635), (26, 3485845), (55, 1647854), (61, 1485770), (65, 1394338), (110, 823927), (122, 742885), (130, 697169), (143, 633790), (286, 316895), (305, 297154), (610, 148577), (671, 135070), (715, 126758), (793, 114290), (1039, 87230), (1342, 67535), (1430, 63379), (1586, 57145), (2078, 43615), (3355, 27014), (3965, 22858), (5195, 17446), (6710, 13507), (7930, 11429), (8723, 10390)]