1900384940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{161323}}^1$

素因数の和:161382

約数の個数: 48

約数和(自身を含む): 4336389120

約数和(自身を除く): 2436004180

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 161323, 322646, 645292, 806615, 1613230, 3065137, 3226460, 5001013, 6130274, 10002026, 12260548, 15325685, 20004052, 25005065, 30651370, 50010130, 61302740, 95019247, 100020260, 190038494, 380076988, 475096235, 950192470, 1900384940]

約数ペア:

[(1, 1900384940), (2, 950192470), (4, 475096235), (5, 380076988), (10, 190038494), (19, 100020260), (20, 95019247), (31, 61302740), (38, 50010130), (62, 30651370), (76, 25005065), (95, 20004052), (124, 15325685), (155, 12260548), (190, 10002026), (310, 6130274), (380, 5001013), (589, 3226460), (620, 3065137), (1178, 1613230), (2356, 806615), (2945, 645292), (5890, 322646), (11780, 161323)]