245614900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{503}}^1$

素因数の和:793

約数の個数: 72

約数和(自身を含む): 564338880

約数和(自身を除く): 318723980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 257, 380, 475, 503, 514, 950, 1006, 1028, 1285, 1900, 2012, 2515, 2570, 4883, 5030, 5140, 6425, 9557, 9766, 10060, 12575, 12850, 19114, 19532, 24415, 25150, 25700, 38228, 47785, 48830, 50300, 95570, 97660, 122075, 129271, 191140, 238925, 244150, 258542, 477850, 488300, 517084, 646355, 955700, 1292710, 2456149, 2585420, 3231775, 4912298, 6463550, 9824596, 12280745, 12927100, 24561490, 49122980, 61403725, 122807450, 245614900]

約数ペア:

[(1, 245614900), (2, 122807450), (4, 61403725), (5, 49122980), (10, 24561490), (19, 12927100), (20, 12280745), (25, 9824596), (38, 6463550), (50, 4912298), (76, 3231775), (95, 2585420), (100, 2456149), (190, 1292710), (257, 955700), (380, 646355), (475, 517084), (503, 488300), (514, 477850), (950, 258542), (1006, 244150), (1028, 238925), (1285, 191140), (1900, 129271), (2012, 122075), (2515, 97660), (2570, 95570), (4883, 50300), (5030, 48830), (5140, 47785), (6425, 38228), (9557, 25700), (9766, 25150), (10060, 24415), (12575, 19532), (12850, 19114)]