198174940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{16823}}^1$

素因数の和:16882

約数の個数: 48

約数和(自身を含む): 452229120

約数和(自身を除く): 254054180

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, 16823, 33646, 67292, 84115, 168230, 319637, 336460, 521513, 639274, 1043026, 1278548, 1598185, 2086052, 2607565, 3196370, 5215130, 6392740, 9908747, 10430260, 19817494, 39634988, 49543735, 99087470, 198174940]

約数ペア:

[(1, 198174940), (2, 99087470), (4, 49543735), (5, 39634988), (10, 19817494), (19, 10430260), (20, 9908747), (31, 6392740), (38, 5215130), (62, 3196370), (76, 2607565), (95, 2086052), (124, 1598185), (155, 1278548), (190, 1043026), (310, 639274), (380, 521513), (589, 336460), (620, 319637), (1178, 168230), (2356, 84115), (2945, 67292), (5890, 33646), (11780, 16823)]