90895220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4789}}^1$

素因数の和:4884

約数の個数: 48

約数和(自身を含む): 208422480

約数和(自身を除く): 117527260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4745, 4789, 9490, 9578, 18980, 19156, 23945, 47890, 62257, 95780, 124514, 249028, 311285, 349597, 622570, 699194, 1245140, 1398388, 1747985, 3495970, 4544761, 6991940, 9089522, 18179044, 22723805, 45447610, 90895220]

約数ペア:

[(1, 90895220), (2, 45447610), (4, 22723805), (5, 18179044), (10, 9089522), (13, 6991940), (20, 4544761), (26, 3495970), (52, 1747985), (65, 1398388), (73, 1245140), (130, 699194), (146, 622570), (260, 349597), (292, 311285), (365, 249028), (730, 124514), (949, 95780), (1460, 62257), (1898, 47890), (3796, 23945), (4745, 19156), (4789, 18980), (9490, 9578)]