30940208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7829}}^1$

素因数の和:7869

約数の個数: 40

約数和(自身を含む): 67964400

約数和(自身を除く): 37024192

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 7829, 15658, 31316, 62632, 101777, 125264, 148751, 203554, 297502, 407108, 595004, 814216, 1190008, 1628432, 1933763, 2380016, 3867526, 7735052, 15470104, 30940208]

約数ペア:

[(1, 30940208), (2, 15470104), (4, 7735052), (8, 3867526), (13, 2380016), (16, 1933763), (19, 1628432), (26, 1190008), (38, 814216), (52, 595004), (76, 407108), (104, 297502), (152, 203554), (208, 148751), (247, 125264), (304, 101777), (494, 62632), (988, 31316), (1976, 15658), (3952, 7829)]