338385890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{10739}}^1$

素因数の和:10906

約数の個数: 32

約数和(自身を含む): 640275840

約数和(自身を除く): 301889950

約数列:

[1, 2, 5, 10, 23, 46, 115, 137, 230, 274, 685, 1370, 3151, 6302, 10739, 15755, 21478, 31510, 53695, 107390, 246997, 493994, 1234985, 1471243, 2469970, 2942486, 7356215, 14712430, 33838589, 67677178, 169192945, 338385890]

約数ペア:

[(1, 338385890), (2, 169192945), (5, 67677178), (10, 33838589), (23, 14712430), (46, 7356215), (115, 2942486), (137, 2469970), (230, 1471243), (274, 1234985), (685, 493994), (1370, 246997), (3151, 107390), (6302, 53695), (10739, 31510), (15755, 21478)]